Hama-chan meets a friendly US soldier on a trip to Nagasaki with Su-san. Su-san returns to Tokyo and is informed that Hama-chan has gone missing.

Hama-chan takes a vacation to go fishing in Akita despite warnings from Su-san as his company faces a restructuring process.

Hama-chan and Su-san go fishing during a business trip, but Hama-chan has to give a lecture on Su-san’s behalf in a case of mistaken identity.