The wandering physician tu ping comes in Changan, an old and secret case. Accusing mysterious medical intervention, she manipulates the mind and exposes fear, while lower birth magistrates Yuan Shao Cheng, longing power, seizing the opportunity to grow. A murder in Changan has shown you Ping, but is he actually a goat of an innocent sacrifice or a conspiracy to avenge a mastermind? The first step in his complex plan has already been taken.