Miss Su Wen Li, a beautiful and witty socialite, forms an unlikely detective duo with the righteous and serious inspector Luo Qiuheng. Despite their many differences, the pair share an undeniable chemistry and - of course - go on to solve many cases together in and around Shanghai, all while Su Wen Li chases clues behind her sister's disappearance, which happened ten years ago, yet is forever a thorn in her heart.