Lu Zhaohe is a female lawyer accused of murdering a witness. Faced with overwhelming evidence, she tore up the forged surveillance evidence in public in the bloody night interrogation room. Qi Linchuan, the silent and stern criminal police captain, personally signed her arrest warrant, but his pupils shrank suddenly amid the flying paper scraps - he recognized the handwriting and remembered the unsolved arson case three years ago. The truth is buried in bloodstains and silence, and he is the only one who dares to doubt the official files.