The engine cut off two blocks before the estate. Michael Harrington didn’t want the rumble of his car announcing his return. He had rehearsed this moment all week, carefully, obsessively — like a surgeon preparing to cut something rotten out.

He straightened his navy tie, fingers trembling slightly. Three days, he muttered to his reflection in the rearview mirror. His eyes were rimmed red from sleepless nights. He had told everyone he’d be out of the country at a medical conference. The house would be unsupervised. If Rebecca showed her true colors, today he would see it.

A month earlier, he had hired her through a small agency after every certified nurse had quit. No one wanted to tolerate his temper — or the heavy sorrow that seemed embedded in the walls of that mansion.

Rebecca Lane had stood out immediately. Too bright. Too optimistic. Too alive for a house that felt like a mausoleum.

The doubt hadn’t started with him. It came from the neighbor, Mrs. Eleanor Pike, who lived permanently behind lace curtains.

“That girl is odd,” she’d warned him in a hushed voice. “Yesterday I heard shouting. And music. Loud music — with a sick baby inside? Be careful. People who smile that much are hiding something.”

Those words had burrowed deep.

His son, Oliver — little Ollie — was one year old and already labeled by specialists as permanently limited. Partial paralysis in both legs. Minimal nerve response. Adjust your expectations, they had told him.

Michael kept the diagnosis locked in his office safe like a verdict. Ollie was fragile. Breakable. His wife had died during childbirth; the thought of losing the only piece of her left had twisted Michael into someone he barely recognized.

If Rebecca was careless — if she was playing games while he was gone — he would destroy her professionally.

He unlocked the front door slowly, avoiding the click of the latch. The house smelled like antiseptic and quiet. One step. Silence. Another.

Then he heard it.

Not crying.

Not television noise.

Laughter.

Wild, uncontrollable, explosive laughter.

It came from the kitchen.

Michael’s jaw tightened. Laughing? With my son?

Rage flooded him. He imagined Rebecca on speakerphone, joking with friends while Ollie sat strapped in his chair. His shoes struck the marble hallway sharply as he strode toward the sound.

He reached the kitchen doorway.

“What is going on in—”

The words evaporated.