Quinn, a young nurse, downloads out of curiosity a viral app that claims to predict the exact moment of each user's death. The result leaves her cold: she has barely three days left to live, and when she tries to defy the prophecy, a sinister presence begins to stalk her wherever she goes. Convinced that a supernatural force lurks behind the code, she sets out to break the curse before the clock reaches zero. Teen horror with effective scares that plays on the contemporary panic around technology and foretold death.