Movie clips on Instagram: "Countdown (2019): In a world ruled by smartphones, nurse Quinn Harris downloads a mysterious app called Countdown, which predicts the exact moment of a person’s death. Shocked when it tells her she has only three days to live, Quinn faces a terrifying supernatural force determined to claim her. Racing against time, she joins others marked by the app, uncovering dark secrets and risking everything to survive. Through fear, courage, and desperate choices, Quinn confronts