Two middle-aged men with "impure six roots and insufficient wolf nature" met in search of an antidote. They both undermine each other and accomplice each other, are enemies and brothers in need, both despise and cherish each other. They are contradictions united by opposites, familiar strangers with spiritual connections. Under the special circumstances of their respective lives, on the pretext of discussing life and death, they launched an entanglement, struggle, and reversal of human feelings and humanity until they finally reached understanding and tolerance.
