The sheriff tries to stop two brothers on a robbery spree, Johnny Rizzo gets Vincent in trouble with the bank, and Mia needs Jack's help to bust a suspected card cheat.
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.
Jack hides from everyone that he killed Johnny Rizzo, Dixon helps an old friend caught up in an auto theft ring, and another hotel steals an up-and-coming singer from the Savoy.
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.
When a Savoy employee is busted with an underage prostitute, the sheriff, the FBI and the casino all make their play to get the parties to cooperate. Meanwhile, Dixon and Violet's romance heats up.
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.
When Sheriff Lamb investigates the death of Porter Gainsely's attorney, it triggers retaliation attacks that puts Katherine in the hospital and leaves Lamb without a badge.