The story of a young cop from the police academy, Lin Qiang. Her parents were killed by a drug lord. The police force arranged for Lin Qiang to go undercover and start a covert mission to collect evidence from the drug dealer. She then meets the mysterious adopted son, Zhang Xian He of the current drug lord. She pretends to fall in love with him to obtain some vital information about the organization and at the same time feels torn. He, in turn, is also in turmoil when he figures out her identity.