A story revolving around the experiences of men serving in the police and a misfiring incident that becomes the center of conflict. Ten years ago, while Zhang Peng Cheng (Yu Yi) was trying to apprehend a suspect, a bullet was fired in his direction. Xu Lei takes the hit instead and ends up paralyzed for life. Ten years later, a misfiring incident affects the entire department. Liu Chang Lu decides to bury the case, but Zhao Peng Cheng struggles between his emotions and doing what's right.