Reef

After Qin Qiao, a police officer in the anti-gang unit, solves a gangland murder, her life is plunged into darkness. Her boyfriend, Gao Hui, is tortured and killed in a vendetta. While Qin Qiao is heartbroken and unable to bear the blow, she hears from Captain Zhou Yi about a deep-cover assignment. To avenge the man she loved most, Gao Hui, she flees the place that has brought her so much sorrow and heads alone to the lawless West. She meets Xiao Yan and does everything she can to stay by his side. To obtain complete intelligence on the gang leader, Black Snake, and bring them all to justice, she comes up with a plan and takes one perilous gamble after another... Only in the end does she realize that one mistake has led to another, and her opponent can checkmate her with a single move...