Based on the popular comic, “Shonan Bakusozoku” illustrates the lives of high school bike fanatics.

Naoko meets Yusuke while staying on an island for medical treatment. Yusuke's graceful athletic figure captivates her eyes and she falls in love with him. But their relationship is soon broken after Yusuke's father dies while trying to save Naoko from drowning. The memory of Yusuke leads Naoko to the track, and six years later, they meet each other again at a Marathon competition. Naoko decides to become a manager to help Yusuke, a gifted runner, and they embark on training together to heal their sorrows from the past.

Divorced salaryman Yoji has just buried his mother in Tokyo. With few meaningful relationships left, he comes to grips with the realization that he has nothing to live for. A chance encounter with Minerva, a Filipina migrant worker who appears to sense his sadness, urges him to see his situation in a new way. A former nightclub entertainer, Minerva now works as a caregiver to provide for her only child in the Philippines. When Yoji discovers the decomposing corpse of his neighbor, an old man whose name he does not know, the death is ruled a kodokushi, or the lonely death. Unwilling to meet the same fate, Yoji throws caution to the wind to follow Minerva to Manila, the capital city of the Philippines.