Lin Xi went to the appointment with a newly finalized architectural structural drawing, but she saw her best friend selling her design to a rival; Shen Ye accepted an order to deliver to a "regular customer", but was involved in a frame-up. The two met at the police station by mistake. One wanted to recover the stolen drawings, and the other wanted to clear the stigma of drug possession. They were strangers at first, but they found out that the person who stabbed them in the back was someone they both trusted. Even Lin Xi's close relatives were adding fuel to the conspiracy. When the blueprint became a murder weapon and the steering wheel became an escape tool, the little devil Lin Xi used all his tricks to find out the truth, making Shen Ye crazy and criticizing his friends to break the dilemma. The two went from testing each other to fighting side by side, but when they got closer to the truth, they saw someone turning completely evil for the sake of profit...
