The film stars Gao Yuanyuan as a lonely and terminally ill young woman who is convinced, through very circumstantial evidence, that her brother-in-law (Xu Zheng) was the murderer of her parents two decades ago.
He Wei and Xiao Feng are a perfect couple. Xiao Feng has a younger sister, Xiao Ke, who needs regular life-sustaining medicine. One day, Xiao Ke accidentally discovers that the man who murdered her parents is her sister's husband, He Wei. Xiao Feng becomes pregnant and when she has to leave town on business, Xiao Ke invites He Wei back to her home.
Lethal Hostage (2012). Gao Yuanyuan appears in Unfinished Girl and Love in the City. Gao Yuanyuan appears in Unfinished Girl and Spicy Love Soup. Gao Yuanyuan appears in Unfinished Girl and Spring Subway. Gao Yuanyuan appears in Unfinished Girl and Shanghai Dreams.
Derek Elley of Variety calls it a "highly controlled psychodrama assembled in a brain-teasing way" and an "impressive feature debut".