Psychiatrist Andrew Marlowe, devoted to his profession and the painting hobby he loves, has a solitary but ordered life. When renowned painter Robert Oliver attacks a canvas in the National Gallery of Art and becomes his patient, Marlow finds that order destroyed. Desperate to understand the secret that torments the genius, he embarks on a journey that leads him into the lives of the women closest to Oliver and a tragedy at the heart of French Impressionism....

At the art museum, while her grandmother dozes, Katie steps into the painting of the Mona Lisa and together they have adventures with the characters from four other well-known Renaissance paintings. Includes informationabout the artists.