Because of her aggressive personality, Narumi (Nahana) murdered her colleague and was sentenced to prison. Narumi is released from prison and returns to her hometown, where she grew up. Narumi visits her younger brother Kei (Kuniaki Nakamura) at his residence. Narumi's parents died in an accident when she was a young child, and Kei is the only one she can rely on now. When Narumi discovers Kei and his girlfriend Kana (Keiko Sugawara) living together peacefully, she makes the decision to return her brother to his family in the United States. Narumi shares a long-held secret that she and Kei have been keeping from each other.