Jeff was a house cat. He lived in very comfortable surroundings. He had very little to worry about in life. He had a loving family, the Ashfords. He had food on demand and a lovely warm house to sleep in. One day, Jeff is accidentally left behind when the Ashfords move house. Jeff is left all alone and needs to fend for himself. He needs to learn to feed himself and, more importantly, he needs to come up with a plan to find the Ashfords and his new home. He reluctantly enters the outside world, where he meets two other cats, Henry and Stevie. The three cats then embark on an adventure together to try and find Jeff's new home. They encounter fun and danger Jeff had never previously dreamed of and discover the importance of friendship and loyalty.