A 25 year old named Alex was on the run from a mysterious man he calls, "The Slender Man" after his best friend Alexander commit suicide and left a strange neon purple box to him in his will. But what Alex finds in the box is nothing he would have ever expected to find. The contents of the box are a camera with distorted video and pictures, Cryptic notes picturing a man in a suit, and a note from Alexander with an odd symbol on it. Will Alex be taken by the strange "Slender Man" or will he get away?