Portugal, 1975. A time of rough changes. A young gay artist trapped in a small seaside town ran by communist winds. Al Berto, the writer, embodies an entire moving generation. He and his friends exude youth, eccentricity and hope for the future - but right after the fall of Portugal's dictatorship system, the country is not yet ready for his love story.

Gabi, a burn unit nurse, is in charge of the mother of an unborn child, burned and comatose from a serial killer assault. The cop handling the case, a friend of Gabi, asks for her help to identify the serial-killer if she wakes up.

Pedro gets home at dawn. Before the young boy falls asleep, his lonely mother drags him to the beach.

Inspired in the Play "Auto da Barca do Inferno" by Gil Vicente, the only Portuguese playwright recognized in the universal history of theater, the story of "When The Angel And The Devil Cooperate" talks about a bet: if the world ended, where would most of the humans end up? In Heaven? Or in Hell? On Earth, the Angel and the Devil come across with the story of a father, Parvo, who blames his daughter's death on Onzeneiro. While Parvo looks to get his revenge on Onzeneiro, this one tries to get rid of the murder charges by paying of the judge. They both gather with their accomplices at the same place, a brothel, without knowing about each other's presence. Here alliances are formed and broken with the help of peculiar friendships, represented by the characters of "Auto da Barca do Inferno".

1970. To Fronteira's village arrives a new chief to the Fiscal Guard. With unshakable convictions about the application of the Law, he quickly comes into confrontation with the population, which survives with the practice of smuggling. But a passionate conflict calls into question all your values and your sense of duty, forcing him to make an unexpected and irreversible decision.