Discovery, is set to bring the romantic comedy One Night Only to Indian cinemas on August 21, 2026. EXCLUSIVE: Callum Turner REVEALS why Owen finds a kindred spirit in Monica Barbaro’s Allie in One Night OnlySet across one eventful night in a slightly fictionalised New York City, One Night Only follows Owen, played by Callum Turner, and Allie, played by Monica Barbaro. The two meet while navigating their own disappointments on what is traditionally considered the least romantic night of the year. Speaking about Owen and Allie, the actor said, “I think Owen and Allie see their other half in each other.” One Night Only follows Owen and Allie as their paths cross during a single night in New York.