Gundik is a horror-heist film. It is about four robbers who attempt to steal from the luxurious home of Nyai the mistress of a wealthy official, only to discover she is a mystical, supernatural figure.
As they venture inside, the house traps them in a terrifying supernatural realm, leading to their mental breakdown and eventual demise at the hands of the house's vengeful, mystical forces.
The film blends elements of horror and comedy, exploring themes of greed, power, and the supernatural.