Since he was a young boy, Tomoki Sakai has been in love with the sport of diving. After years of practice and stalwart determination, there's no place where he feels more at home than in those brief seconds of flight before he's submerged into the water. Unfortunately, he and the other boys of the Muzuki Diving Club (MDC) aren't doing enough to please their sponsors, and the club is on the verge of being disbanded. Enter coach Kayoko Asaki, a fiery woman who is determined to pull the boys of the MDC back from the brink. Her mission: get the MDC to the Tokyo Olympics in one year's time. Tomoki and his friends have a long road ahead of them as they begin their fight to fulfill their dreams.