Tati is a typical teenager, unable to learn mathematics, but very intelligent when creating plans to escape the punishment of the mother. During the summer, she needs to hide that she has to do math classes to improve her grades, conquer Zeca, the most popular boy in school and also care for the heartache of her mother, who wants to try to find a new love.

A spoiled and mean girl attempts to ruin her high school's wrap party after being rejected by her former boyfriend and her fellow students.