The main characters are Margo Roth Spiegelman and Quentin Jacobsen who were friends and neighbors when they were little but now they barely talk to each other.
A few weeks before they graduate Margo appears at Quentin’s window and asks him if he wants to accompany her in her all nighter of pranks. They break into sea world and pranks on he classmates they hate. In the next morning Margo was gone. Nobody knows where she is or if she’s dead or alive. She left clues for where she could be.
If they will find her or not you have to read yourselves!