Macy and Miles time travel to the past to retrieve William Murdoch's pocket watch, while Billie and Zane get sidelined and become suspicious of Miles, causing a major rift between the friends. Macy and Miles time travel to the past to retrieve William Murdoch's pocket watch, while Billie and Zane get sidelined and become suspicious of Miles, causing a major rift between the friends.

Reunited, the trio takes on the final clue which leads them to a nearby woodshop, where they find Miles talking to a mysterious man. They must find out who Miles really is and who he's working with. Reunited, the trio takes on the final clue which leads them to a nearby woodshop, where they find Miles talking to a mysterious man. They must find out who Miles really is and who he's working with.