Chain Reaction (1996) is a compelling sci-fi thriller that combines environmental themes with high-stakes conspiracy. Directed by Andrew Davis (The Fugitive), the film follows Eddie Kasalivich (Keanu Reeves) and Dr. Lily Sinclair (Rachel Weisz), two researchers working on a revolutionary clean energy project at the University of Chicago. Their breakthrough in creating sustainable energy through sonoluminescence quickly turns into a nightmare when their lab is destroyed, their mentor is murdered, and they become the prime suspects in a massive government conspiracy.

The film effectively builds tension as Eddie and Lily go on the run, hunted by both law enforcement and shadowy operatives determined to suppress their technology. Keanu Reeves delivers a solid performance as the everyman caught in an impossible situation, while Rachel Weisz brings intelligence and determination to her role as a scientist fighting to clear their names. Morgan Freeman appears as Paul Shannon, a charismatic but ambiguous figure who may be friend or foe.

While the film received mixed reviews for its familiar conspiracy-thriller tropes, it remains an entertaining watch with impressive action sequences and timely themes about energy independence and corporate corruption. The Chicago locations provide a gritty backdrop for the chase, and the scientific premise adds an intriguing layer to the standard cat-and-mouse narrative. For fans of 90s thrillers, environmental sci-fi, or Keanu Reeves' filmography, Chain Reaction offers solid entertainment with enough twists and suspense to keep viewers engaged throughout its 107-minute runtime.