Lautaro and Sebastián are two young actors leading a film that talks about a love between two people of the same sex, until, while filming, one of them begins to feel attracted to his partner.

On her birthday, Mery receives the worst news: her husband died in a confusing road accident. Meanwhile, Román, the boyfriend of Mery's teenage daughter, Celina, was involved in the accident. The processes of grief and how to deal with guilt as a teenager come together to tell the story of survival in "The Last Birthday."

Juan, a 14-year-old teenager, the only child of separated parents. One day, escaping from thieves, he hides inside a shed, unaware that Germonio, a man who, it turns out, locked himself inside more than ten years ago and no one has seen him come out, lives there. Juan and Germonio, due to their ages, are very different, but they have more in common than they think. A blue flower, a candle that won't light, and a journey to the depths of their soul are fundamental elements that weave this story together.