Chinese television series adapted from the Louis Cha novel, which is the third part of the Condor Trilogy. Originally published in newspapers from 1961 to 1963, the story has been revised twice; once in 1979 and the second in 2005.

A doctor moves his family into a mansion. His wife hears weird noises at midnight, then his daughter disappears mysteriously. His detective friend begins to look into this case, only to suspect everyone in this family is somehow complicit.