For sixteen-year-old Mel Hannigan, bipolar disorder makes life unpredictable. Her latest struggle is balancing her growing feelings in a new relationship with her instinct to keep everyone at arm’s length. And when a former friend confronts Mel with the truth about the way their relationship ended, deeply buried secrets threaten to come out and upend her shaky equilibrium.

As the walls of Mel’s compartmentalized world crumble, she fears the worst—that her friends will abandon her if they learn the truth about what she’s been hiding. Can Mel bring herself to risk everything to find out?