The Perfect Suspect Episode 12

A USB drive containing evidence of Zhao Qian's crimes becomes the center of a desperate struggle. After Liu Ren Kai's girlfriend, Sun Ting, finds the drive, it is intercepted by Zhang Qiao Yun, who learns the full extent of Zhao Qian's cruelty. While the police interrogate Liu Ren Kai and form new alliances, Zhang Qiao Yun, aided by Liao Bo Yan, sets a deadly trap. She confronts Zhao Qian in a parking garage, goading her into a full confession while secretly recording it. In a shocking climax, Zhang Qiao Yun uses a syringe intended for her on herself, a self-sacrificial act to frame Zhao Qian. Surviving the attempt, she delivers the recording and the USB drive to the police, giving them the final evidence needed to make an arrest. (Source: tvrili.com)