Li Zheng and Li Ying are two brothers the owners of a dating agency called "True Love Club". The business is going very well, but everything changed when Xiao Feng is passed by a sweet love, who is interested in the agency to prove the relationship with their supposed "future wife", the beautiful psychiatrist Fei. What they do not know is that this regular case ends up in an unexpected and fun mess.
1942, Nanjing (Nanking). Following a series of assassination attempts on officials of the Japanese-controlled puppet government, the Japanese spy chief gathers a group of suspects in a mansion house for questioning. A tense game of "cat and mouse" ensues as the Chinese code-breaker attempts to send out a crucial message while protecting his/her own identity.
