Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness.

Tells about Leonardo da Vinci's life and the story of his model clay horse that was destroyed before he could make a bronze statue. Also tells the story of Charles Dent who fulfilled da Vinci's dream and make a twenty four foot bronze horse statue in the late 1990s.