The boys try to profit from their latest scam of selling the meat that they have stolen from the grocery store. Meanwhile, Lucy is pregnant and Julian accepts a new job that is beneath him.

The boys help Lahey when his fellow police officers turn against him. Ray makes plans to return to the road.

Bubbles and the boys get to meet heavy metal singer Sebastian Bach when they travel to Maine to attend a model train convention.

The boys use Bubble's love for model trains when they make a plan to smuggle marijuana across the border into Maine. They send a team consisting of Jacob and his "crew" to scout the location, however the scouting team goes missing.

On a mission to find Jacob and his crew, the boys leave the relative safety of the trailer park for a dangerous adventure in the woods on the Maine border.

Randy and Phil Collins go into business together, opening a restaurant called "The Dirty Burger". Meanwhile, Barb Lahey finally finds out who is her secret admirer.

Randy and Lahey devise a scheme to make some fast cash. To fool the police, Bubbles uses a disguise.

The boys go ahead with their plan to smuggle marijuana across the border using a model train. What could possibly go wrong?

When the boys find themselves in trouble with the authorities it is up to Ricky to bargain for a deal. But, someone has to go to jail. Who will take the fall?