When a university student moves in with a family in Mexico City, conflicts emerge. An inevitable affaire with the father, a rebellious bond with the adolescent daughter and tensions with the mother lead up to a painful secret that will shake the family apart.

Mercedes, a girl who loves westerns, finds her beloved cat Ramiro dead one morning while watching her favorite movie. She decides to find a way to take him to heaven. Her brother, passionate about solving crimes, helps her find a portal. But nothing turns out as expected.