The cookies.

The poison.

The affair.

The insurance policy.

None of it made sense.

Then the door opened.

Detective Brown stepped inside again.

Her expression had changed.

More serious.

More focused.

“Mrs. Johnson,” she said calmly, “I need to ask you something about Michael’s mother.”

Sarah looked up.

“Margaret?”

“Yes.”

Sarah frowned slightly.

“What about her?”

The detective stepped closer.

“Was she at your house yesterday afternoon?”

Sarah thought for a moment.

“Yes… she stopped by.”

“How long did she stay?”

“Not long. Maybe fifteen minutes.”

“And did she go into the kitchen?”

Sarah nodded.

“Yes. She said she wanted tea.”

The detective’s eyes narrowed slightly.

“Did she interact with the cookies?”

Sarah’s breath caught.

“I… I think she moved them.”

“Moved them?”

“They were on the counter. She said they were too close to the edge.”

Sarah suddenly felt her pulse quicken.

“Wait… you think Margaret—”

The detective raised a hand gently.

“I’m not accusing anyone yet.”

But Sarah already knew.

A terrible memory surfaced in her mind.

Margaret Johnson standing in the kitchen.

Looking at Emma.

Not smiling.

Not warm.

Just watching.

Margaret had never liked Emma.

She had once said something Sarah never forgot.

“Children complicate everything.”

Sarah felt her heart start to pound.

“Detective…”

“Yes?”

“There’s something you should know.”

The detective leaned closer.

“What is it?”

Sarah’s voice trembled.

“Margaret hates me.”

“That’s not unusual for in-laws.”

“No,” Sarah said slowly.

“You don’t understand.”

She looked toward the sleeping form of Emma.

Then back at the detective.

“Margaret believes Michael should have married someone else.”

“Anna Keller?”

Sarah nodded.

The detective’s eyes widened slightly.

“She knows Anna?”

“Yes.”

“How?”

Sarah swallowed hard.

“Because… she introduced them.”

The detective went very still.

“You’re saying Michael’s mother set up the affair?”

“Yes.”

“And she thinks Emma stands in the way of that relationship?”

Sarah felt a cold certainty settle in her chest.

“Yes.”

At that moment, the detective’s phone vibrated.

She glanced down at the screen.

Then her expression changed instantly.

“What is it?” Sarah asked.

The detective looked up slowly.

“We just received the toxicology report.”

“And?”

Detective Brown’s voice dropped.

“The arsenic came from a rat poison brand sold at one specific hardware store.”

Sarah’s heart pounded.

“Why does that matter?”

The detective met her eyes.

“Because we pulled the store’s purchase records.”

Sarah felt the room tilt slightly.

“And the buyer?”

The detective closed the folder quietly.

“Margaret Johnson.”

The rain had stopped by the time Detective Laura Brown stepped outside the hospital.

Morning light filtered through the gray clouds, turning the wet pavement into mirrors.

Inside the building, Sarah Johnson sat beside her daughter’s hospital bed, holding Emma’s small hand.

The machines beeped softly.

Emma still hadn’t woken up.

But the doctors had said the treatment was working.

The arsenic levels were dropping.

If everything continued as expected, Emma would survive.

The word survive had become Sarah’s entire world.

Nothing else mattered.

Not Michael.

Not the investigation.

Not the betrayal.

Just Emma breathing.

Just Emma staying alive.

The hospital room door opened quietly.

Michael stepped inside.

His face looked older than it had yesterday.

Tired.

Uneasy.

He glanced at Emma, then at Sarah.

“Detective Brown called,” he said.

Sarah didn’t look at him.

“I know.”

Michael swallowed.

“She thinks my mother poisoned Emma.”

Sarah finally lifted her eyes.

“What do you think?”

Michael didn’t answer immediately.

He walked to the window and stared down at the street five floors below.

“I think… I don’t know my own family anymore.”

The honesty in his voice surprised her.

But it didn’t change anything.

“Your mother hated me,” Sarah said quietly.

Michael rubbed his forehead.

“She never liked anyone I dated.”

“That’s not the same thing.”

He didn’t argue.

Because deep down, he knew Sarah was right.

Margaret Johnson had always been different with Emma.

Cool.

Distant.

Polite in public.

But cold in private.

Once, when Emma was only four years old, Sarah had overheard Margaret whisper something in the kitchen.

Something she had never forgotten.

“Children trap men.”

At the time Sarah had dismissed it as bitterness.

Now it echoed differently.

Now it sounded like motive.

The door opened again.

Detective Brown entered.

Her expression was calm, but her eyes carried the weight of someone who had just watched a life collapse.

“Mr. Johnson,” she said.

Michael turned.

“Yes.”

“We located your mother.”

Sarah’s heart jumped.

“Where?”

“At her house.”

Michael frowned.

“Of course she’s there.”

The detective hesitated.

“She wasn’t expecting us.”

Michael’s stomach tightened.

“What happened?”

The detective stepped closer.

“We questioned her about the rat poison purchase.”

Sarah leaned forward.

“And?”

“At first she denied everything.”

Michael closed his eyes.

“That sounds like her.”

“But then we showed her the store’s security footage.”

Sarah’s voice barely rose above a whisper.

“She bought it.”

“Yes.”

Michael shook his head slowly.

“No… there has to be some explanation.”

The detective watched him carefully.

“She eventually admitted she purchased the poison.”

The room went silent.

“But she claims it wasn’t for Emma.”

Sarah’s hands clenched around the hospital blanket.

“Then who?”

Detective Brown looked directly at Michael.

“You.”

Michael felt like the floor had vanished beneath him.

“What?”

Sarah stared at the detective.

“You’re saying Margaret tried to poison her own son?”

“That’s what she claims.”

Michael’s voice shook.

“That’s insane.”

The detective nodded slightly.

“It sounds that way.”

Sarah leaned forward.

“Explain.”

Detective Brown opened her folder.

“Margaret told us she discovered your affair with Anna Keller several months ago.”

Michael looked stunned.

“She knew?”

“Yes.”

Sarah laughed bitterly.

“Of course she did.”

The detective continued.

“She said she confronted Michael about it.”

Michael shook his head.

“She never did.”

“She says she did.”

Michael ran a hand through his hair.

“That’s impossible.”

But the detective kept reading.

“Margaret claims she believed Anna Keller was manipulating you for money.”

Sarah frowned.

“For money?”

The detective nodded.

“She told us she believed Anna wanted to break up your marriage and gain access to the family’s finances.”

Michael stared blankly.

“That’s ridiculous.”

“But Margaret believed it.”

Sarah’s voice hardened.

“So she tried to poison you?”

“That’s what she says.”

Michael’s chest tightened.

“How?”

“She said she planned to poison a drink in your office while Anna was visiting.”

Sarah’s eyes widened.

“The kitchen.”

The detective nodded.

“Yes.”