coincided with a grand local festival celebration, Zheng Bingrui, a wealthy businessman, invited his daughter Tingting's teacher Li Huiping and a group of classmates' parents to come to the house for a party, but Tingting was suddenly kidnapped. Police officer Zhang Jingxian led a team to investigate the case, and the kidnappers threatened Tingting's life and asked Zheng Li to bring a huge ransom to the appointment, and along the way, the two discovered the secret behind the kidnapping case......