A bad deed can change you in unexpected ways. Go Bok Soo (Yang Dong Geun) is trouble with a capital T. Coming from a tough childhood and serving time in prison for past mistakes, Bok Soo can’t seem to get his act together. But despite it all, his longtime girlfriend, Song Mi Rae (Gong Hyo Jin), stands by him and loves the good and the bad in him. But fate brings Bok Su into the life of Jeon Gyeong (Lee Na Young), the tomboyish daughter of a rich family who is a keyboardist for an obscure indie rock band. Bok Soo steals Gyeong’s wallet, and their lives will never be the same again. After the lead vocalist in Gyeong’s indie band suffers a brain injury, Gyeong collects money for the surgery that could save her life. That money was in the wallet that Bok Soo stole from Gyeong, and the event sets off a chain reaction that changes all of their lives in unexpected ways. Ruler of Your Own World is a 2002 South Korean drama series directed by Park Sung Soo.