Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.
Ma-Ha, a member of the struggling girl group Teaparty, faces anger and backlash after injuring popular idol Kwon Ryeok during a reality TV program, leading to tense encounters as their paths continue to cross.
