Hirayama Jirou has lost his mother in the Great Kanto Earthquake and now runs a soba stall with his father. He decides to join the crew of the famous ocean liner Hikawa Maru and finds work cooking in the ship's galley. Through his eyes, the film explores the ship's 85-year history.
Hikawa Maru Monogatari is based on Genjirou Itou's book of the same name. The film commemorates the 85th anniversary of the ocean liner Hikawa Maru's maiden voyage. The ship is permanently berthed as a museum ship in Yokohama.