Episode 1

S1 E1: Dong Seok, the successor to Hyunsung Group, gets in a car accident requiring him to get a heart transplant. In a desperate attempt to save his son's life, Chairman Kang looks for a donor when he comes across Ji Hyeok, a young man who is a perfect match for Dong Seok. While Ji Hyeok is working, he is suddenly attacked from behind, leaving him brain-dead and ready to have his heart harvested. However, things go awry when Ji Hyeok suddenly wakes up on the operating table.