After Carlos, an impoverished teen from a fractured home, receives a desperate note from Sarah, a pen pal he lost touch with a year ago, he uses her letters to solve the mystery of her disappearance and crimes she may have been a part of.
Felipe just wanted peace, to enjoy his July vacation away from school and, his classmates, and their cruel nicknames about his weight. The problem is that his mother decides to host Caio, his neighbor and former friend, for fifteen days. Caio, who is now a annoying teenager, brings out Felipe's insecurities. Over time, Felipe's resentment toward his neighbor turns into friendsh...