Choe Gang Jo is a computer game creator and thus very rich, he has everything he needs, but somehow exactly that thought is what makes his life boring. To get some thrill out of life, he occasionally steals things from museums, villas.. And one day he decides to break into Go Sang Tae's house. But Choe Gang Jo is no ordinary burglar as he doesn't steal things for profit, but just as a hobby. Go's house and family catches Choe's attention and so he decides to steal there something every night. Of course, Mr. Go tries everything to stop the burglar from entering his house and so things take a hilarious turn when Mr. Go decides to learn martial arts and turns his house into a real stronghold.