What Happens at Night is a chilling horror-mystery that masterfully blends psychological tension with supernatural dread. The film follows an American couple whose journey to a remote, snowbound European town for a seemingly straightforward adoption quickly descends into a nightmare. Their sanctuary, a grand yet decaying hotel, becomes a labyrinth of unease, populated by a gallery of unsettling characters: a haunting chanteuse, an enigmatic businessman, and a mysterious faith healer. As the couple pursues the promise of a child, the very fabric of their reality begins to fray, forcing them to confront not only the hotel's secrets but the cracks in their own marriage and life choices.

The film's strength lies in its atmospheric direction, which uses the oppressive, endless winter landscape and the hotel's claustrophobic interiors to create a pervasive sense of isolation and impending doom. The performances are uniformly compelling, with the leads perfectly capturing the gradual erosion of their characters' sanity from hopeful anticipation to sheer terror. The supporting cast of oddities adds layers of ambiguity, leaving viewers to question what is real and what is a manifestation of the couple's psychological unraveling.

For fans of cerebral horror and mystery thrillers, What Happens at Night is a must-watch. It is a film that prioritizes mood and psychological depth over cheap jump scares, offering a slow-burn narrative that gets under your skin. The haunting score and meticulous cinematography create an immersive experience that lingers long after the credits roll. Watch this film for a masterclass in building suspense and a story that compellingly explores themes of parenthood, faith, and the terrifying unknown that can lurk in the most mundane of desires.