SOON TO BE A NETFLIX ORIGINAL SERIESThe author of The Chestnut Man and creator of the hit television series The Killing returns with a twisty, breakneck psychological thriller that takes an innocent children's game to its most terrifying and diabolical extreme. Count to one, count to two ... A strange voice from inside the woods, repeating a child's counting rhyme. Count to four, count to five ... A body discovered in the water. You're trying to go home. Will you make it alive?Thirty years later, a woman begins receiving a string of anonymous text messages, repeating that same rhyme. Found you. Then she disappears ... On Valentine's Day, detectives Naia Thulin and Mark Hess are searching to find the missing woman. But when they uncover links to a decades-old cold case, their investigation takes a terrifying turn. A violent killer is on the loose. Can Hess and Thulin catch them, before they strike again?