Artie, Joe's friend, comes back into town, and offers Joe a business proposition. His plan is to dig a tunnel from a bookstore to the bank across the street right into the vault. Lily goes undercover as the bookstore owner to keep the customers distracted from what's going on in the basement with Joe and Bruno. Also, things get complicated when Joe's old flame shows up and wants to move in with him.

When Joe and Heather work a sting operation involving an accused corporate raider they find out that he hired them to take a hit out on one of his fugitive co-workers. Meanwhile, Lily and Darnell pose as a book dealer's and a supplier in order to take down a forger who has been trying to pass off fake manuscripts as the real thing.