1973. Uruguay is governed by a military dictatorship. One autumn night, three Tupamaro prisoners are taken from their jail cells in a secret military operation. The order is precise: "As we can't kill them, let's drive them mad."

Under Madrid's scorching summer sun, ordinary couples with real passion and the unquenchable desire to love and be loved, share the same irrepressible urge to investigate their own sexuality through five intertwined stories.

In the 1930s, a group of children are born with a rare condition: they feel no pain. After being locked away for life for their own safety, the children are subjected to rehabilitation away from society.

Bennie travels to Buenos Aires to find his long-missing older brother, a once-promising writer who is now a remnant of his former self. Bennie's discovery of his brother's near-finished play might hold the answer to understanding ...