In a gritty, rain-soaked metropolis where survival is a daily war, a small, unusually clever rat named Remy finds himself separated from his colony after a harrowing chase through the city's sewer system. Lost and alone in the unfamiliar world of towering skyscrapers and bustling streets, Remy must rely on his wits and an unlikely series of allies to find his way home. Driven by a fierce loyalty to his family and a desperate hope for reunion, this tiny hero embarks on a perilous journey that transforms the mundane urban landscape into a vast, treacherous odyssey. Navigating through abandoned subway tunnels, dodging the relentless pursuit of a feral tomcat, and outsmarting the perils of human traffic, Remy's quest becomes a testament to courage and determination. This 31-minute animated adventure, featuring the voice talents of Tom Holland as the determined Remy and Idris Elba as the gruff but wise alley cat who becomes an unexpected guide, blends heart-pounding suspense with moments of genuine warmth, crafting a poignant tale of resilience against overwhelming odds.