This film revolves around the perils of a dating app. A single woman is recommended an app, however the person she matches with is different to his photo. At the same time, a serial killer is stalking his latest victims also using the same app.

Corry, a French coordinator of pediatric heart transplants is sent to Japan where organ donation remains taboo. As she fights to save a young boy, her partner Jin, a photographer from Yakushima, suddenly vanishes.