In order to help her father, Chiwa Takanashi agrees to an arranged marriage with the company president, Hokuto Mamiya--a man she doesn't know--at the request of Hokuto's grandfather. Chiwa believes the arrangement isn't binding, but her new partner seems to think otherwise. Can two strangers living together find their way to a happy marriage?

Hokuto and Chiwa haven't spoken since she visited his estranged father who Hokuto believes is responsible for his mother's death. She then returns to Hokuto's birthplace to find out how his mother died. But once Chiwa learns the truth, can she help Hokuto heal the scars from his past?