In the previous life, Zhen Su, as a cook accompanying the army, was framed and died unjustly. Wei Zheng, who was guarding the border, was stigmatized as a collaborator. Once reborn, she relied on her keen sense of taste and clues in her memory to investigate old cases step by step. She joined forces with Wei Zheng, who was still in office, to uncover the conspiracy behind the scenes, clear their grievances, and accumulate overflowing pure love in their relationship.