Carlos, a married lawyer, gets involved with one of his clients. But the relationship turns into an obsession. The woman understands she'll never manage to separate Carlos from his wife, and decides to leave him, running away with another man.
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.