Based on the Chinese legend.

Based on the Chinese legend.

Hong Kong drama.

A rich man's house is the scene of three consecutive nights of murder, resulting in the murder of two people and the disappearance of one, and all the people in the house have become suspects. In the end, after much investigation, the murderer is found to be a “secret room monster”, which leads to a four-cornered love affair between three men and one woman.

A woman’s husband and daughter are poisoned and killed. Determined to avenge her family's death, she travels to a mass grave to learn the art of lying at the bottom of a coffin for 79 days to absorb the essence of the sun and the moon. As a result, she practiced to become a female regal ghost and killed all her enemies. Knowing that she has broken the law, the woman turns herself in at the police station.

A woman’s husband and daughter are poisoned and killed. Determined to avenge her family's death, she travels to a mass grave to learn the art of lying at the bottom of a coffin for 79 days to absorb the essence of the sun and the moon. As a result, she practiced to become a female regal ghost and killed all her enemies. Knowing that she has broken the law, the woman turns herself in at the police station.

Fong Yim-fun puts on a tour de force as an ill-fated woman, separated from her lover through an arranged marriage to the terminally ill and impotent son of a warlord. The power struggle within the family led to an inevitable murderous consequence. Seven years later, the heroine's ex-lover, now an ambitious detective, is keen to solve this almost forgotten case, only to discover that he is also part of the enigma.

Fong Yim-fun puts on a tour de force as an ill-fated woman, separated from her lover through an arranged marriage to the terminally ill and impotent son of a warlord. The power struggle within the family led to an inevitable murderous consequence. Seven years later, the heroine's ex-lover, now an ambitious detective, is keen to solve this almost forgotten case, only to discover that he is also part of the enigma.