When ten-year-old orphan Peter Augustus Duchene encounters a fortune teller in the marketplace one day and she tells him that his sister, who is presumed dead, is in fact alive, he embarks on a remarkable series of adventures as he desperately tries to find her.

The lives of four misfits are intertwined when a bully's prank lands shy Virgil at the bottom of a well and Valencia, Kaori, and Gen band together in an epic quest to find and rescue him.