Daniel receives an anonymous birthday gift of a school jumper that seems to fit him perfectly. As compulsive and intrusive thoughts begin to take hold of him, he starts to pull threads from the jumper. But with the relief of each thread pulled comes a new problem for his family and friends, sending Daniel into a spiral of self-blame. Can he unravel the mystery before it tightens around him completely, or can he find the power to control his compulsions within himself?