Ten years ago, there was a place in Changyuan City called Nanfan Street. Locals called it a land of happiness, and it drew many happy families and couples in love who came to enjoy themselves. The protagonists, Song Nan and Yang Qingxin, grew up on Nanfan Street and remember it vividly. But when they were ten, they were unexpectedly caught up in a murder case there. From then on, because of the case, the once-bustling street became a place people spoke of with a sigh. The two were treated with cold indifference because of the murder, and their years of growing up were filled with hardship. A string of murder cases: what is the conspiracy behind them????
