Ten years after his sister vanished, Luca receives a mysterious letter: she’s alive but will die in 21 days unless he obeys a deadly demand. With time running out, Lucas must decide how far he will go to save her.

In Sense filTRES Season 2, group chats are more than messages—they are identity, belonging, and conflict. Across three interlinked stories, they reveal bonds, clashes, and the risks of sharing, showing the complex truths of modern youth in a raw, unfiltered portrait of growing up online and offline.

When an elite class reunion on a luxury high‑tech train is sabotaged, an anonymous “I killed” confession traps the former students in a 100‑hour pressure cooker of secrets. As the past resurfaces, Lara and Aarón must uncover the truth behind a decade‑old death before the engineered journey destroys them all.

The sudden appearance of strange glowing clouds in the sky causes a mass insomnia.