Guests in the House (1988)

A college professor and his wife settle into their new home, only to discover it's haunted by the spirit of a concubine who once belonged to the grandfather of the professor's friend. This restless ghost is on a quest to reunite with her long-lost husband and attempts to reach out to the couple for assistance. As the professor and his wife navigate their new life, they must confront the mysteries of the past and the emotional ties that bind the living to the spectral world.