This drama tells the story of best friends Dave and Yen. Dave is a gangster who hangs out with bad influences, while Yen works hard as a hotel room service employee. Dave's elderly mother wants him to change his ways but he refuses. When she is diagnosed with cancer and her dying wish is for Dave to reform, it is too late. Yen encourages Dave to pursue his studies. Years later, Dave has become a successful businessman and realizes his mother would be proud of how he turned his life around.