Season 1
A hardened young businessman whose family was ruined by a greedy uncle dedicates himself to payback, until a transplant gives him a change of heart.
Episode 1
Heartless investment executive Min Ho gets into a fistfight and ends up in a police station, then proposes a deal to the beautiful Soon Jung.
Episode 2
While Dong Wook uncovers a case of product tampering, Min Ho tries to manipulate events but ends up collapsing and going to the hospital.
Episode 3
Despite his new heart, Min Ho's ways haven't changed: He's still determined to leave Hermia and his uncle in a state of destitution.
Episode 4
Having been delegated a board member for Hermia, Min Ho prepares to take his uncle down, but he has strange feelings whenever Soon Jung is near.
Episode 5
Chairman Kang is puzzled by the behavior of Min Ho and Soon Jung, and Min Ho is surprised to learn about the death of Soon Jung's detective fiancé.
Episode 6
Min Ho begins to suspect his new heart is the cause of his changes. In the meantime, he follows Soon Jung as she does a secret favor for Kang.
Episode 7
Despite the death of his uncle, Min Ho can't seem to leave his house, spending his days at home ignoring Soon Jung's work messages.
Episode 8
After some therapeutic revelations about his own true nature, Min Ho shows up at a board meeting to announce his candidacy for CEO.
Episode 9
After realizing who his heart donor was, Min Ho pauses his relationship with Soon Jung. Joon Hee hatches a plan to force Hermia's bankruptcy.
Episode 10
Min Ho puts up his personal fortune as collateral to fund a new Hermia product, while Soon Jung tries to sort out her feelings for her superior.
Episode 11
Min Ho and Soon Jung suspect the hand of Joon Hee is in play when a major supplier on their new product pulls out, halting production.
Episode 12
Min Ho's new product gets a reprieve when an aunt announces her involvement in the project. A personal item of Joon Hee's seems familiar to Min Ho.
Episode 13
Soon Jung is forced to admit that Min Ho has become more like her former love since receiving his heart. Joon Hee hatches a new sabotage scheme.
Episode 14
Min Ho decides to take the drastic step of sharing what he knows about Dong Wook's death with the media, shocking Joon Hee.
Episode 15
After an attack on Min Ho and the theft of an incriminating memory card, detectives close in on Joon Hee, but he's quickly disposing of evidence.
Episode 16
As Min Ho prepares to step down and appoint a trustee, it appears that while he has found love with Soon Jung, his nemesis Joon Hee has won the day.