Lin Qiang stakes out the area where the murderer can be found, hoping to find evidence. She learns that he will make contact with someone and plots to take her place. The police also learn about the girl, but when they find her it is too late because Lin Qiang is already involved. Cheng Jin Song is forced to take a leave from his SWAT position because of stress. Lin Qiang is given the opportunity to go undercover as Wang Qian to take down the drug dealers. (Source:Mydramalist.com)