New college student Hinako moves to a small seaside town to surf and enjoy herself, and finds herself falling in love with firefighter Minato after he saves her from a fire. Their young romance comes to an abrupt end when Minato drowns... but in her grief, Hinako discovers that singing a song they used to perform as a duet summons Minato in the nearest body of water - be it a puddle, glass, or bathtub. Will Hinako be able to reach Minato again?