After thirteen years of engagement, the boring sex life of Rui and Vani is limited to one intercourse every other week. They decide to seek excitement with a threesome and they decide to invite Vani's cousin Silvinha to participate late night, but an accident interrupts their game. Rui and Vani unsuccessfully spend the night searching for for companion of a bisexual woman.
Os Normais is a Brazilian sitcom directed by José Alvarenga Jr. and written by Jorge Furtado, Alexandre Machado, and Fernanda Young. It aired from 2001 to 2003 on Rede Globo. It features a lot of nonsensical situations, unpredictable stories and wild, often explicit humour. The sitcom was adapted in 2003 into a film titled Os Normais, O Filme, which received the sequel Os Normais 2 - A Noite Mais Maluca de Todas in 2009.