Ding Ding (played by Ying Caier) went to study at the Beijing Academy of Drama after returning from the United States. By chance, she met Adam (played by Louis Koo), a handsome guy who was a well-known "playboy", but he was attracted to Ding Ding, who had a cheerful personality and a handsome appearance. When he met Ding Ding, he was getting rid of a bunch of girls who pursued him. The two fell in love at first sight in a hurry and fell in love with each other. Soon, Adam expressed his love to Ding Ding, and the two fell in love smoothly and shared many sweet moments of love. But the good times didn't last long. Adam suffered from amnesia and regarded Ding Ding as a stranger. Ding Ding was suddenly shocked, but facing the beloved Adam, she worked tirelessly to start over with Adam. Ding Ding thought that the two could go on happily from then on, but Adam's amnesia symptoms always occurred from time to time, and he forgot Ding Ding again and again...