I'm Still That Boy From Before

Orphaned and alone, Fang Zheng has been undercover for three years and counting. To mature as an agent, he must mingle in entertainment venues, only to be repeatedly caught by Zhao Lihua, his high school desk mate and now a police officer. Their long-awaited reunion brings an unexpected encounter with his childhood sweetheart, who is no longer the same. Finally, ordered by Criminal Police Captain Li Shan to infiltrate Yu Cheng's darkest underworld, Fang Zheng begins his mission at the foot bath La Yu Tang, uncovering layers of mystery. Looking back, he is still that boy from before.