In a sleepy English town, a cosmic accident leaves an interstellar canine stranded on Earth, his high-tech mission in tatters. This lost space-dog, Buddy, finds an unlikely and very reluctant guide in Felix, a curmudgeonly former TV star cat who values his quiet, solitary life above all else. Voiced with charm by Luke Evans and gruff humor by Nick Frost, this mismatched duo is forced to team up when a sinister and powerful figure from Felix's past, the menacing rodent mastermind Bill Nighy, threatens the entire town with a diabolical scheme. With the help of a savvy stray, Gemma Arterton, they embark on a wild, gadget-filled adventure through the streets and sewers. This animated comedy delivers a heartwarming story of unexpected friendship and courage, as a dog from the stars and a cat set in his ways must learn to trust each other to become the heroes their new home desperately needs.