A teenager enjoys a night of adventures with a mysterious girl, whom he has been fascinated with since childhood. The next day she disappears without trace, but he discovers she has left him a series of clues, which he and his friends follow in the hope of finding her. Romantic mystery based on the novel by John Green, starring Nat Wolff and Cara Delevingne.

Quentin Jacobsen has spent a lifetime loving the magnificently adventurous Margo Roth Spiegelman from afar. So when she cracks open a window and climbs back into his life dressed like a ninja and summoning him for an ingenious campaign of revenge, he follows. After their all-nighter ends and a new day breaks, Quentin arrives at school to discover that Margo, always an enigma, has now become a mystery. But Quentin soon learns that there are clues, and they're for him. Urged down a disconnected path, the closer Quentin gets, the less he sees of the girl he thought he knew.