"Locke & Key," a three-season Netflix series based on Joe Hill and Gabriel Rodríguez's comic books, follows a family rebuilding after the patriarch's murder by relocating to their ancestral mansion. The property, Keyhouse, harbours a collection of magical keys, each with distinct supernatural abilities—some enable travel across distances, others manipulate memories or physical objects. The series skillfully balances horror, fantasy, and coming-of-age elements as the three children gradually uncover the mansion's secrets whilst simultaneously confronting a supernatural entity also seeking the keys.

Beyond its inventive magical system, "Locke & Key" grounds itself in emotional authenticity by exploring how grief reshapes each family member differently. The youngest child's genuine curiosity and wonder serve as an emotional anchor that prevents the magical elements from overshadowing the intimate character study at the series' heart. The show's strength lies in treating the supernatural threat not merely as spectacle, but as a catalyst that exposes the family's underlying emotional vulnerabilities and relational dynamics.