On the first day of high school, friends Mônica, Cebola, Magali, Cascão and Milena don't take long to realize that things at school have been strange. When they discover that the Lemon Tree Museum will be auctioned, they decide to join in a mission to try to save it. As they investigate, they come across ancient and frightening secrets of the Limoeiro neighborhood and soon realize they may be dealing with a much bigger threat.

An ambitious law student who hates music needs to make a perfect plan to get hired at the office she interns at – until she meets a charming singer who shakes her life. While she's living her first love, she needs to face her own past and decide what's more important: do what she loves or learn to love what she does.

A series of crimes against redheads scares the people from a little town. After the death of his brother, the 13 year old Alberto decides to investigate what is happening and is helped by the experienced but forgetful Inspector Pimentel.