The drama tells the story of a lawyer who is a legal technician who exploits legal loopholes and encounters an accident and enters a parallel world. It will describe the growth story of a successful man who is self-centered and changes his attitude. Jung Ji-hoon will play Lee Jae-sang in the drama. He is an elite lawyer at JK Law Firm, one of the top five law firms in South Korea, with the highest winning rate. He has undergone tremendous changes due to the sudden accident.