Ace undercover Lu Chengfeng accidentally took his identity and infiltrated the group because he looked exactly like Lu Songwen, the leader of a criminal group who was framed and forced to fake his death. As soon as he entered the organization, he was touched by his sister-in-law's affection and learned that she had been waiting for Lu Songwen for three years. Faced with the unrest within the group and the numerous threats from external forces, he relied on his extraordinary courage to resolve the crisis, gain a firm foothold, stick to his original intention amidst the dangerous mission, and move towards his goal step by step.
