Solitary, cold, methodical and unencumbered by scruples or regrets, a killer waits in the shadows, watching for his next target. Yet, the longer he waits, the more he thinks he's losing his mind, if not his cool.
The Killer / Film synopsis
At a party, teenager Courtney is convinced by her friends to download Countdown, an app that seemingly predicts how long a user has left to live.