Brian and his girlfriend have relationship problems; Nacho eats a stencil sheet, and Thomas tries to find a vet, but the bus breaks down; and a psychic makes a prediction about Thomas and Monica's relationship.
A stop in San Francisco has Thomas getting a tattoo of a Buddhist monk and Thomas' mentor on his calf. The bus then heads to San Jose, where Thomas visits the monk and shows him the tattoo. Also: a man gets a tattoo of a koi fish.
The bus goes to Albuquerque where a Tahitian dancer gets a tattoo on her back to cover a previous tattoo; and a marine who served two tours of duty in Iraq and another Marine fresh out of boot camp get tattoos.
Chili's birthday celebration includes Thomas giving him a tattoo of a note Chili's mom wrote; and inviting a stripper onto the bus to give Chili a lap dance. Also: Thomas rents an RV for a trip to the mountains.
A new tattoo artist, Amy, joins the team, and has her first job in Salt Lake City, where she creates a tattoo for a man who wants something in memory of his deceased brother, but Tommy isn't happy with Amy's work. Also: a photographer gets a tattoo in memory of her dog.