Identical twins Kim Dongyoung and Lee Doyoung have been separated since they were 6. Doyoung lives a life of torment and poverty while Dongyoung lives a glamorous life and is well loved by his friends and family. After an accident, an amnesiac Doyoung is mistaken for his twin and is taken in his place. Luckily his amnesia protects his true identity but what will happen when his memories return? Especially with a target on his back.