Five friends - Eddie Munster, Fat Man Woof, Iron Mikey, Hoppo and Nikki - have long since passed the age when they use encrypted messages written in crayons to communicate. But the past is not erased as easily as chalk from your fingers. Forty-year-old Ed still remembers how he and his school teacher saved the girl Eliza. And he remembers her headless corpse, which was found in the forest... Years later, Ed Adams meets with Mikey, who declares that he has identified Eliza's killer. The next day he himself is found dead, with a chalk man drawn in his pocket. Friends understand that what they were running from has returned. As a reminder of the past, each of them had not only chalk under their nails, but also blood. Whose is she?..