Se Nada Mais Der Certo is a 2009 Brazilian drama film directed by José Eduardo Belmonte.
Ângela shares an apartment with Léo and has a 6-year-old son, who is practically raised by his nanny.
One night, Léo decides to spend the little money he has at the nightclub where Ângela goes, and meets Marcin, a trans man.
Soon, they become friends and decide to drink, together with Wilson, a taxi driver who believes he needs a psychiatrist.
Gradually, a strong emotional bond grows between them, which increases when they decide to play a dangerous game.