Adorable twin puppies Haley and Lindsey are thrilled to live with loving couple Jessica and Mel - and heartbroken when the twosome breaks up, leaving the pooches a thousand miles apart. When Jess brings Lindsey back to Montana for work, the two identical dogs meet up by accident and hatch a delightfully dogged scheme: reunite their human "parents" by trading collars - and places. Now, Haley and Lindsey are determined to spark the fires of love - no matter how much doggie mischief it takes!