Heroes of the Underground

The story is about Chinese resistance leaders working undercover against the Japanese in Occupied China. Ling Yun plays a fugitive rebel leader named Ding Yi Shan who takes on the identity of an antique dealer in order to get into the good graces of Commander Nakajima, who leads the local occupation forces and fancies himself an expert on Chinese art. Nakajima's deputy commander, a female Chinese uniformed officer named Wang Ling, is also an undercover resistance leader and she and Ding have to direct various sabotage operations under the noses of the Japanese.
(Source: IMDb)