"House Hunting" centers on a group of individuals who find themselves drawn to a mysterious real estate agency offering seemingly perfect homes at unbelievably low prices. The agency, run by an enigmatic figure known only as the Landlord, specializes in properties with hidden histories—homes tied to supernatural occurrences, tragic events, or otherworldly phenomena. Each episode follows a different protagonist as they explore and ultimately move into one of these houses, only to encounter strange and often terrifying events tied to the property's past.

The narrative structure is episodic, with each story focusing on a new character and their experience in a unique haunted house. Common themes include the psychological toll of isolation, the consequences of greed, and the blurred line between reality and the supernatural. The Landlord serves as a recurring figure, appearing to guide or manipulate the protagonists, often with cryptic warnings or unsettling advice. His motives remain ambiguous, adding an air of mystery to the overarching plot.

Key characters include a struggling artist seeking inspiration in a secluded mansion, a family moving into a suburban home with a dark history, and a young couple lured by the promise of a dream house in the countryside. Each character's journey is self-contained, but subtle connections between the houses and the Landlord's role hint at a larger, interconnected world. The series balances horror with moments of introspection, exploring how the characters' personal flaws and desires make them vulnerable to the houses' malevolent influences.

The plot unfolds through a mix of suspense, psychological tension, and supernatural elements, with each episode building toward a climactic revelation about the house's true nature. The series avoids overt gore, relying instead on atmospheric storytelling and gradual escalation of dread. By the end of each episode, the protagonists' fates vary—some escape, some succumb, and others become trapped in a cycle of horror tied to their new homes. The Landlord's ultimate purpose and the origins of the cursed houses remain shrouded in mystery, leaving room for speculation and interpretation.