Jr. & Sr.'s relationship is rocky at best, and now that Jr. is no longer an employee of OCC, Paul Sr. tries his best to make amends. He invites Jr. and Mikey up to his house to work on a Triumph Bike, not for a client, but just for fun.

The guys from OCC head to Howe Caverns to face their fears and explore some caves deep under ground. While Paul Jr. continues his work as a consultant for OCC, he sets his sights on his own projects outside the shop.