Three robbers escape with loot from a heist before one of them kills the others. Their corpses wash up near the aftermath of a maritime calamity, provoking a policeman's interest.
When Sokichi stops providing his long-time lover Kikuyo enough money to pay for the care of their three young children, Kikuyo leaves the children with Sokichi - and his very surprised and angry wife Oume - and disappears.
