Ten years ago, Jiang Ci escaped from the world and broke up with his best friend Yin Han. Ten years later, the two met again in a ruined temple in the wilderness. Yin Han handed over a bowl of poisonous wine, and Jiang Ci drank it up with a smile. The poison enters the heart, and the past flashes back - there is another hidden secret in the family extermination case, and the death of Master Yin Han is also related to the same gangster. Liu Sanniang secretly provides clues, Zhou He pursues the secret report, Zhao Tiezhu forges something to break the situation, and the crazy old monk Xie Wuya guards the secret of the underground palace. A bowl of poisonous wine became the beginning of breaking the situation, and old and new hatreds all pointed to the unknown underground palace in the temple.
