Katie and Grandma are visiting an art gallery! As Grandma rests, Katie can’t resist gazing at the Mona Lisa and wondering why she is smiling. To her amazement, Mona Lisa speaks and invites Katie into the painting.
Katie soon discovers that Mona Lisa is lonely and that her smile is starting to fade. They set off into the gallery for an extraordinary adventure through a series of famous paintings searching for something to restore Mona Lisa’s smile. This thrilling journey through art is a visual tour de force as Katie and her new friend explore magical worlds beyond the picture frame.