Season 1

While Dong Wook uncovers a case of product tampering, Min Ho tries to manipulate events but ends up collapsing and going to the hospital.

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.

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.

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.

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.

After some therapeutic revelations about his own true nature, Min Ho shows up at a board meeting to announce his candidacy for CEO.

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.

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.

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.

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.

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.

Min Ho decides to take the drastic step of sharing what he knows about Dong Wook's death with the media, shocking Joon Hee.

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.

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.