I.S.S. (2023) is a gripping, claustrophobic sci-fi thriller that masterfully transplants geopolitical tensions into the ultimate high-stakes environment: the International Space Station. Directed by Gabriela Cowperthwaite, the film presents a chilling 'what if' scenario where a catastrophic war erupts on Earth, forcing the American and Russian crew members aboard the ISS to turn from colleagues into adversaries under conflicting orders from their respective governments.

The plot thrives on its intimate, pressure-cooker setting. The cast, including Ariana DeBose, Chris Messina, and John Gallagher Jr., delivers compelling performances that capture the profound moral dilemma and escalating paranoia. Their characters are not action heroes but scientists and professionals suddenly tasked with an impossible, violent mission, making their fear and conflict deeply relatable. The direction is taut and focused, using the station's confined corridors and breathtaking views of a war-torn Earth to amplify the sense of isolation and desperation.

While its IMDb rating of 5.3 suggests a divided reception, I.S.S. is worth watching for its unique premise and sustained suspense. It's less about flashy space battles and more a psychological study of trust and survival. The film raises pertinent questions about loyalty and humanity when national allegiances are weaponized. For viewers seeking a tense, thought-provoking thriller with a fresh astronomical backdrop and strong performances, I.S.S. is a compelling watch that will keep you engaged from launch to its uncertain, haunting conclusion.