Ten years ago, defense lawyer Su Yan said, "She will explode" and allowed the suspect to escape guilt, but only three people died. Ten years later, the defendant committed suicide and left a note accusing Su Yan of forging evidence. Prosecutor Shen Zhao vowed to bring her to justice, but found her father's tampered handwriting in the file. Forensic doctor Lin Zhiyao hides blood evidence, the broker asks for a chance at redemption during the New Year, and retired judge Zhou Manyi whispers the password in forgetfulness. When the loudspeaker in the courtroom exploded again, no one knew - she was not shouting 'explode', but saving a buried child.
