Rocko is a wallaby who has emigrated to America from Australia. He lives in O-Town and tries to get through life but, of course, comes across a multitude of dilemmas and misadventures he must get through. Other characters include Rocko's best friend, Heffer, a steer who has been raised by wolves, Filbert, a paranoid hypochondriac turtle, Rocko's faithful (but none-too-bright) dog Spunky, and Ed Bighead who detests Rocko and hates having him for a next door neighbor. On this show, Rocko has such adventures as trying to adapt to a new vacuum cleaner, having Heffer move in temporarily after his parents kick him out, and going to a movie theater.

Kwan Yeuk-nam is a powerful woman. After her husband committed suicide due to a business failure, she single-handedly raised her three sons to adulthood, all whilst establishing her business empire, Sun Hon Lik. Now ready to retire, she is prepared to pass down her empire to her three sons.