Ruan Zhiyi, a cold-blooded forensic doctor, took over the murder case. The baking ingredients in the deceased's body were related to the bakery owner Su Nianzhou, but Su Nianzhou had no time to commit the crime. He continued to feed her gently and guard her silently, breaking Ruan Zhiyi's cold defense. The two fell in love with each other during the investigation, and worked together to uncover the real culprit who forged evidence and framed others, and finally unlocked a happy ending that intertwined suspense and sweetness with three meals of fireworks.