A vacation-bound Vecchio reluctantly accompanies Fraser, who is escorting an uncooperative witness (and compulsive liar) back to Canada to testify. Along the way, they find themselves being hunted by hit-men for the Canadian mob.
Vecchio and Fraser protect a down-on-his-luck shoemaker from someone out of Vecchio's past: a former schoolyard bully turned powerful mob boss. Meanwhile, Vecchio's sister Francesca decides to romantically pursue Fraser in earnest.
While attempting to deliver a party invitation to a prominent Chicago businessman, Fraser can't seem to steer clear of the man's obnoxious fiancée, who leads him on a merry misadventure with her jealous groom-to-be in pursuit.
Ray is furious after being declared legally dead, and goes to withdraw his savings from his local bank. Fraser and Ray then get caught up in a robbery, which leads to them ending up being trapped in the vault, with only a matter of time before the air runs out.