Ma Zhuo was born in Ya'an, Yucheng. At the age of eight, his mother Lin Guoguo took him to Chengdu to live together. He grew up with Xia Gang's son Xia Ze. The two childhood sweethearts became each other's first love.Lin Guoguo and Xia Gang were accidentally involved in a bizarre murder case. From then on, Ma Zhuo and Xia Ze were emotionally dislocated and their fate was twists and turns. They searched for the truth about their fathers amidst dangers and thorns.