Min Ho's father owned a successful company before succumbing to a fatal heart disease, leaving the company in the hands of Min Ho's uncle. Min Ho is determined, while fighting the same heart disease, to climb to the top of the business world while he still has time, and exact revenge on those that took advantage of his dying father

When Min Ho's last gambit fails, his heart gives out. Dong Wook searches for the missing executive, but finds more than he bargained for.

After a successful heart transplant saves his life, Min Ho begins experiencing emotions he can't explain towards Soon Jung. After 49 days, Nah Ok Hyun finally gets a break in the form of a witness to Dong Wook's hit-and-run.

Soon Jung is assigned to be Min Ho's personal secretary, putting her loyalty to Hermia to the test. A criminal from Dong Wook's past tries to exact revenge

Min Ho attempts to find way to make amends with Soon Jung. Chairman Kang uses other devious methods to keep Min Ho at bay.

Min Ho tries to pinpoint the cause of his physical symptoms after his transplant surgery. His faith in Soon Jung wavers when he stumbles upon his uncle's hidden secret