The four sisters Diana, Bárbara, Natália and Carol live in the famous neighborhood of Ipanema, in the capital of Rio de Janeiro, and have habits typical of teenagers, such as strolling, dating, shopping, studying and, in addition to discovering the body, information about sex, pregnancy, love and identity crises. Paulo, the single father, even tries to be modern, but his many grimacing attitudes are always in conflict with those of his daughters. The girls Diana and Barbara are daughters of their father's first marriage. Carol is second and Natália is Carol's half sister, Paulo's stepdaughter. With different personalities, the four teenagers complete each other in a bond of friendship, confidences and companionship.