In this fourth film in the series, Tora-san (Kiyoshi Atsumi) treats his aunt and uncle to a Hawaiian vacation, but the trio is left grounded by a crooked travel agent. Now, to avoid embarrassment, they must sneak past their neighbors to return home. Creeping into the house just in time to find it being burglarized, they're left with a tough decision: call the cops and own up to their vacation disaster or let the thief go free.