Jiang Yishou

In 1935, Japan's Unit 731 conducts inhumane experiments. A doctor tries to free prisoners, including his fiancée, from the camp while witnessing atrocities.

An old mansion, sealed for years, re-opens as a museum. A ghost is sighted by the museum's guide, our heroine, who has fallen for a social outcast, a scientist obsessed with finding ghosts with his machines.