Chronicles the life of a 17 year-old girl living in the upper-class Rio de Janeiro neighbourhood of Ipanema. Márcia lives a life of parties and spend her days among bohemians, musicians and intellectuals. While seeming happy in the outside, she's extremely anguished inside. Based on the famous song by Antonio Carlos Jobim and Vinicius de Moraes.

A private detective is hired to spy a married woman and ends up falling in love with her.