Black Box (original title 'Boîte noire') is a compelling 2021 French-Belgian mystery thriller that takes viewers inside the high-stakes world of aviation investigation. The film follows Mathieu, a brilliant young black box analyst played with intense focus by Pierre Niney, as he attempts to unravel the cause of a catastrophic plane crash involving a brand new aircraft. What begins as a technical investigation gradually transforms into a labyrinthine mystery filled with corporate intrigue and unsettling discoveries.

Director Yann Gozlan masterfully builds tension through meticulous attention to procedural detail while maintaining a consistently suspenseful atmosphere. The film's strength lies in its ability to make technical analysis visually compelling and emotionally engaging. Niney delivers a nuanced performance as an analyst whose dedication to truth becomes increasingly obsessive, supported by strong performances from Lou de Laâge and André Dussollier.

Viewers should watch Black Box for its intelligent plotting and sophisticated approach to the thriller genre. Unlike many crash investigation dramas, the film maintains a cerebral quality while delivering genuine suspense. The 129-minute runtime allows for thorough character development alongside the central mystery, creating a satisfying balance between human drama and investigative procedural elements. With its 7.2 IMDb rating and critical acclaim, Black Box represents European thriller filmmaking at its most polished and engaging.