Watch Countdown (2019) HD Full Movie Free on solarmovie.do. Watch Countdown (2019) online free. When a nurse downloads an app that claims to predict the moment a person will die, it tells her she ...When a nurse downloads an app that claims to predict the moment a person will die, it tells her she only has three days to live. With the clock ticking and a figure haunting her, she must find a way to save her life before time runs out.