One summer evening while Mr. Hubbard is sound asleep, a mysterious breeze blows through his window and carries his neglected heart into the dark night. Mr. Hubbard departs on an urban adventure to search for it. As the seasons change and winter looms ahead, he meets some kindred spirits who have also fallen on hard times. They form a little pack and join the search. Their companionship shows Mr. Hubbard what he needs to find his heart.