PART 2 — THE GIRL IN THE LAKE

Grace did not sleep that night.
No one did.
Katherine stayed in the downstairs guest room with the door locked and a chair pushed beneath the handle. Grace sat outside in the hallway until dawn, wrapped in Robert’s robe, listening to the quietest sounds inside the room: Katherine crying, Katherine pacing, Katherine whispering to someone on the phone but never loudly enough for Grace to hear the words.
Upstairs, Caleb remained in his bedroom.
Robert had wanted to call the police immediately.
Grace had stopped him.
Not because she wanted to protect Caleb.
That was what terrified her most.
For twenty-seven years, protecting Caleb had been the first instinct in her bones. When he fell from his bike at six, she ran. When boys mocked him at thirteen for being quiet, she stood between them. When he left for college, she prayed every night over his empty room.
But now, after seeing Katherine on the floor, Grace felt something in her heart rearrange itself.
She did not know whether her son was guilty of cruelty, madness, or both.
She only knew Katherine was afraid.
And fear like that did not come from nothing.
At 6:12 in the morning, Katherine finally opened the guest room door.
She had changed out of her wedding dress into one of Grace’s old cotton nightgowns. Her face looked younger without makeup, almost childlike, except for her eyes. Those eyes had aged overnight.
Grace stood slowly.
“Do you want me to call your mother?”
Katherine shook her head.
“She won’t come.”
Grace frowned.
“What do you mean?”
Katherine looked past her toward the staircase.
“Because she knows.”
Those three words moved through the house like a cold draft.
Robert came out of the kitchen holding a mug he had not touched. Frank stepped into the hall, silent.
Grace reached for Katherine’s hand.
“My dear, what does she know?”
Katherine’s fingers were ice-cold.
“That Beatrice didn’t die the way everyone thinks.”
Grace felt Robert stiffen behind her.
Beatrice Hale had been Caleb’s girlfriend before Katherine. Everyone in Oakhaven Springs remembered her. Pretty, bold, the daughter of a retired judge and a woman who chaired half the charity boards in the county. Beatrice had laughed too loudly, driven too fast, and treated Caleb like something she had won.
Then, three years ago, Beatrice disappeared after a summer party near Lake Elwood.
Her body was found two days later.
The official report called it an accident. Too much alcohol. A fall from the dock. A terrible tragedy.
Caleb had never been the same after that.
For months, he barely spoke. He quit going to church. He stopped eating Sunday dinner with the family. Grace thought grief had hollowed him out.
Then Katherine came into his life.
Grace had believed Katherine saved him.
Now she wondered if Caleb had chosen Katherine for another reason entirely.
Katherine sat at the kitchen table while morning light spread across the floor.
Robert locked the back door. Frank closed the curtains.
Grace placed a glass of water in front of Katherine and sat beside her.
“Tell us everything,” Grace said.
Katherine stared at the glass.
“I was there the night Beatrice died.”
Grace’s fingers tightened around the edge of the table.
Caleb had told them Katherine never met Beatrice.
“I knew her from college,” Katherine continued. “Not well. We weren’t friends. Beatrice didn’t have friends. She had followers. People who were useful until they weren’t.”
Grace heard bitterness beneath the fear.
“There was a party at Lake Elwood,” Katherine said. “Rich kids, local politicians’ children, people from old families. I wasn’t invited. I was working with the catering crew.”
Frank muttered, “My God.”
Katherine’s voice trembled.
“Beatrice was fighting with someone that night.”
“Caleb?” Robert asked.
Katherine shook her head.
“No. A woman.”
Grace leaned forward.
“What woman?”
Katherine swallowed.
“Elaine Mercer.”
The name landed like a slap.
Elaine Mercer was Beatrice’s mother.
Grace could not understand.
“Her own mother?”
Katherine nodded slowly.
“I was carrying empty trays behind the boathouse. I heard shouting. Elaine was telling Beatrice she had humiliated the family. Beatrice kept saying she was going to tell everyone what Elaine had done.”
“What had Elaine done?” Grace asked.
Katherine’s eyes filled with tears.
“I don’t know. Beatrice never said it out loud. But Elaine grabbed her arm. Beatrice pulled away. She slipped near the dock stairs.”
Grace covered her mouth.
“She fell?” Frank asked.
Katherine shook her head again.
“She hit her head. She was alive. I saw her move.”
Robert stood.
“Then why did the report say she drowned?”
Katherine looked at him with pure shame.
“Because Elaine saw me.”
No one spoke.
“She told me if I said anything, my mother would lose her job at the county clinic. My younger brother’s scholarship would disappear. She knew everything about us. She said people like me didn’t survive accusing people like her.”
Grace’s anger rose so fast it made her dizzy.
“So you stayed quiet.”
Katherine lowered her head.
“I was twenty-two. Scared. Poor. Stupid. I told myself someone else would speak. I told myself Elaine would call for help.”
“But she didn’t,” Robert said.
“No,” Katherine whispered. “She stood there until Beatrice stopped moving.”
Grace closed her eyes.
For three years, Caleb had believed Katherine killed Beatrice.
“Did Caleb know any of this?” Grace asked.
Katherine’s lips parted, but before she could answer, a sound came from upstairs.
A floorboard creaked.
Everyone turned.
Caleb stood at the bottom of the staircase.
His face was pale, but his eyes burned.
“So now you remember the truth?”
Grace rose quickly.
“Caleb, don’t.”
He ignored her.
“You watched Beatrice die,” he said to Katherine. “You let her mother cover it up. Then you came into my life like an angel.”
Katherine began shaking again.
“I tried to tell you.”
“When?” Caleb snapped. “After you accepted my ring? After my mother called you daughter? After you slept in this house?”
“Caleb!” Robert shouted.
But Caleb’s eyes never left Katherine.
“You knew who I was from the beginning.”
Katherine’s voice broke.
“Yes.”
Grace stared at her.
That was the piece Katherine had not said.
Caleb laughed once, bitter and hollow.
“You came to me because you felt guilty.”
“No,” Katherine whispered. “I came because Elaine started threatening me again.”
The kitchen went silent.
Katherine reached into the pocket of Grace’s nightgown and pulled out her phone.
“I have messages,” she said. “Recordings too.”
Caleb froze.
Katherine looked at Grace.
“Elaine found out I was marrying Caleb. Last month, she told me if I went through with the wedding, she would destroy him, destroy your family, and make it look like I had confessed to killing Beatrice.”
Grace whispered, “Why didn’t you tell us?”
Katherine’s eyes filled with tears.
“Because Caleb already knew part of it.”
Caleb’s face changed.
Grace turned toward him.
“What does she mean?”
Katherine lifted the phone with trembling hands.
“Your son didn’t marry me just to punish me, Grace.”
Caleb lunged forward one step, but Robert blocked him.
Katherine pressed play.
A man’s voice filled the kitchen.
Caleb’s voice.
Cold. Controlled.
“After the wedding, she’ll have no place to run. Elaine wants a confession, I want the truth, and Katherine will finally break.”
Grace backed away as if the phone had burned her.
The recording continued.
Then a woman’s voice answered.
Elaine Mercer.
“Good boy. Beatrice always said you were easy to lead.”
Caleb’s face collapsed.
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And Katherine whispered the words that shattered the last of Grace’s understanding.
“Caleb has been working with the woman who let Beatrice die.”