Cheng Yan, a talented lawyer who was falsely accused of taking bribes and imprisoned, quietly restarted his plan to overturn the case three years later, using his intern assistant Lin Zhao as a cover. The sudden betrayal of his ex-wife Chen Yanqiu, the bloody and tearful testimony of the silent forensic doctor Su Lin, and the relentless pursuit of the sinister prosecutor Zhao Hongming turned a personal innocence battle into a judicial earthquake that attracted the attention of the entire network. When Lin Zhao discovers that her adoptive father is the witness who died unjustly that year, she must make a choice between loyalty and the truth - and Cheng Yan is already ready to let the entire system bury her sins with her.