Rainbow Trout' is a film about five urbanites who visit a fish farmer in a small secluded village and come to realize the deceptiveness of human nature. Characters in the film are roughly divided into two groups: typical modern city dwellers and simple-minded village people living around the fish farm. The urbanites include the Min-su couple (a bank worker and his wife, Jung-wha), Sae-wha (younger sister of Jung-wha), and the Byung-kwan couple (owner of a steak house and his wife, Young-sook). The villagers include the trout breeder Chang-hyun ....