Storyline:Since childhood, Quentin (Nat Wolff) has shared a secret with the mysterious neighbor Margo (Cara Delevingne): they found the body of a suicide together and Margo snuck into Quentin's window the same evening to present the conclusions from her research , Nine years later, the two have long since disintegrated, but then Margo stands again, disguised as Ninja, in front of his window. She wants to go off to avenge those who have disappointed her. Quentin follows her into the nocturnal adventure, but the next day Margo suddenly disappears. The girl, who has often run away from home, this time remains untraceable and can not be identified by the police. But it has left its mark only on Quentin. So he decides to solve the mystery of Margo and find her again.