Yuji Makita (Wakahara) came to a hot spring port town as a singer who plays the guitar. Thirteen years ago, Sanae Shimura (Miyake) was in love with him, and now Sanae works at a bar in Tokyo to support her daughter Emiko (Misorah) and elderly father Daiseki (Ryuji Kita). While waiting for her mother to return, Emiko often goes to the dock and sings a song. Yuji finds out that Emiko is his own daughter, because the song she sings was once written by Yuji himself and was known only to Sanae...

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