Vincent Savino tries to get to a killer in police custody before he makes a deal to turn on the mob, and gets some new help from Chicago to run the casino. Meanwhile, sheriff Lamb investigates the murder of a casino dealer.
Vincent tries to convince his visiting wife to stay with him in Vegas, the sheriff investigates the kidnapping of a gaming commission member's son, and a hitman for the Milwaukee crew comes to town searching for answers.
Both Vincent and sheriff Lamb are on the hunt for a man making counterfeit casino chips, and Vincent throws his weight behind an unknown mayoral candidate after the mayor puts the squeeze on The Savoy.
The sheriff discovers that a murdered contractor made lots of enemies, while Jack's courtship of Mia heats up. At the Savoy, Vincent gets disturbing news about Diane Desmond, and Dixon helps Vincent catch a thief.
While the sheriff's office investigates a murder connected to a divorce ranch, an old flame pays a visit to Ralph and Mia tells her dad about her relationship with Jack. Meanwhile, Vincent discovers that his wife is the rat.
A young singer in a family act is poisoned at a hotel, Vincent and his friends are stranded in the desert after their car breaks down, Jones escapes police custody, and Johnny Rizzo abducts Jack Lamb to get answers about Mia.
The sheriff discovers that a shooting victim had two wives, the Feds shut down the Savoy's "skim" to Chicago, Dixon helps a young actress in town to shoot a movie, and both sheriff Lamb and Vincent suspect that Jack killed Johnny Rizzo.
D.A. Reynolds stages a kidnapping and disappears with the Savoy's skim money. Meanwhile, Yvonne goes to Hollywood for an audition and Dixon joins her to see pay Violet a surprise visit, and Mia's birth mother arrives in Vegas.
A Savoy employee with a phony identity is killed, and another employee holds Mia hostage. Meanwhile, Frank has some trouble with an investor, and Dixon and Yvonne's relationship gets off to a rocky start.