A young nurse downloads an app that tells her she only has three days to live. With time ticking away and a mysterious figure haunting her, she must find a way to save her life before time runs out.
Countdown is a 2019 American supernatural horror film directed and written by Justin Dec, and starring Elizabeth Lail, Jordan Calloway, Talitha Bateman, Tichina Arnold, P.J. Byrne, Peter Facinelli, Anne Winters, and Tom Segura. The plot follows a group of people who discover a mobile app that correctly tells its users when they are going to die.