Lee Sa-heon, executive director of Hyeongang Group, South Korea's largest defense contractor, is a brilliantly capable boss and the frontrunner in a fierce succession battle against his step-siblings. When secretary Han Ji-an hears the news of Sa-heon's traffic accident, her heart plummets and she rushes to his side. However, upon waking up, the immaculate executive suffers from amnesia and mistakenly believes Ji-an is his beloved wife. When Sa-heon eventually regains his memory and forgets the affection he displayed during his amnesia, Ji-an is left heartbroken as he coldly tells her to consider the man who loved her dead.
