Lee Sang, the vice president, was adopted from an orphanage. In contrast to the chairman's biological son, Lee Taegon, Sang earned trust through his hard work. However, when Taegon, impulsive and mischievous, announces his interest in the company's affairs and starts delivering impressive results, Sang faces a crisis where he might lose everything he has built. Determined, Sang decides he must rein in this reckless young man.