The thought didn’t arrive like a scream. It arrived like a cold sip of water. Calm. Final.

She looked at the pool. Then back at Samuel.

Samuel turned. It was Carla’s younger sister—the one who never spoke at parties. The one who saw everything.

The water barely splashed.

I killed him.

It looks like you're referencing a filename for an episode of Elite (Season 5, Episode 1, titled "I Killed Him"). Rather than summarizing the actual episode (which could contain spoilers), I can prepare an original, dramatic short story inspired by that title and the dark, luxurious, secret-filled tone of Elite .

I killed him.

The girl nodded slowly, as if he had just told her the Wi-Fi password. She pulled out her phone, not to call an ambulance, but to take a photo of the body. The flash lit up the water like a strobe.