After her parents’ separation, eight-year-old Caro moves in with her mother and her stepfather, Felipe. Even though her mother makes it clear that she will never see her father again, Caro wants nothing more than for him to return. Feeling abandoned, she seeks refuge near the well in the backyard of their house, a secret place. As she grows up, distant from her mother, Caro discovers a secret about her father that will change her forever.

The story of four teenagers: Negus, Chale, Sapo and Chata. Childhood friends living in public housing in a rundown area of Mexico City, search to trump idleness. They toy with the idea of robbing a movie theatre. Afflicted by their past and present stance, each find the motivation to complete the deed. The adventure pushes them to face their own realities and jeopardizes the only valuable possession: friendship

At 18, fresh from high school, Marina, Ignacio, Adam and Mimi, school mates bonded by fate, shared a dream about adult life, a dream of fame, success, perfect skin and that one endless, true love that, surely, was waiting just around the corner for each one of them. But 30's arrived, and none of the sweet promises of youth was fulfilled. Alone, failed and frustrated, all four are forced to stop and look around to try to understand where it all went wrong, and find an emergency fix for their lives, before it's too late, and happiness escapes through their fingers forever. Secondary Effects is the bitter coming of age comedy that follows their steps in the search for lost dreams, lost hair and good sex, at least, if true love turns out to be a mirage.