A school trip to the art gallery at the city museum leads Matthew into an eerie meeting with Pete Glimmer, imprisoned inside his own portrait by his villainous uncle in 1666. Entrusted by Peter with recovering the one object that can save the world, Matthew is sent hurtling over 300 years into the past. Encountering magic, mayhem and murder, Matthew also has to contend with Peter's uncle, the ruthless and seemingly immortal Nicholas Van der Leyden, in a desperate race through time to save the future.