When all but one member of the boys' high school swim team quits, senior Suzuki is left to pick up the pieces. Pretty new coach Sakuma attracts a host of young recruits, but many leave soon after joining. Left with only five members, Sakuma begins training the boys in synchronized swimming. As the team prepares for their performance at the school carnival, they're faced with a number of unforseen obstacles. But in the end, the spirit of synchronized teamwork prevails.