Ling Fen, who was severely injured by the Lin family in the past and almost died, gathered all his talents and took his daughter to wander around to survive. After going down the mountain and joining the world, he was successively involved in disputes and games between the Tang family and wealthy families. He seems to be casual and lazy, but in fact he is excellent in martial arts and medicine. His six-year-old daughter Chengcheng is even more talented and has extraordinary skills. The father and daughter work together to break the conspiracy, eliminate the evildoers, and use their ordinary bodies to challenge the powerful and evil in the world.