동양의 파리로 알려진 화려한 1930년대 상하이. 그러나 화려한 노래와 춤의 이면에는 일본군들의 잔인함과 공포가 깔려 있다. 일본군은 중국의 언론 매체를 금지 파괴하고 영국과 프랑스의 사설 라디오 방송국도 등록을 의무로 한다. 이 작전을 지휘하는 일본 요원 장란신은 상하이 하늘 아래에서 일본이 승인한 방송국만이 살아남을 수 있다고 당당히 선언한다. 그러던 어느 날, 리샤는 동포들을 위한 새로운 방송 수단을 재건하는 임무를 받게 되는데…..
After the death of her policeman father, Xiaomai begins to look over his old journals filled with notes about the cases he investigated over the years. The mention of a purple scarf in the notes particularly catches her attention, prompting her to purchase a similar scarf from a mysterious website that claims to sell everything, as long as one can pay the price. Soon after, Xiaomai's close friend is found dead, strangled by a purple scarf. All of this awakens Xiaomai's memories of her childhood sweetheart Qiushou, whose mother was also strangled to death with a purple scarf by an unknown killer. Xiaomai and Qiushou grew up together and fell in love, but he suddenly disappeared from her life 15 years ago without a word. She begins to believe that Qiushou has returned and may be seeking revenge.
A sister and brother, the last heirs of a family of acrobats, are called upon by a Buddhist monk sect to retrieve an artifact that their ancestors have protected throughout the ages.
