Higuchi Kiyotaka has hit rock bottom. Once a promising doctor on his way to becoming a cardiovascular surgeon, a traumatic incident has forced him to relocate to a rural town in Kyushu where he's relegated to practicing general medicine. Each day is a struggle to communicate with his heavily accented patients and overcome his intense feelings of guilt and depression. After an evening spent drinking himself into a stupor, he has a fateful encounter with a mysterious yakuza named Tenju, who promises to help the young doctor forget all his troubles for a night. As Higuchi finds himself drowning in unknown pleasures, he can't help but wonder—just who exactly is Tenju? And what does he want from him?