In the Season 1 finale, a vengeful Sheriff Lamb joins forces with Savino to bring down Porter Gainsley, who was behind the murder of Lamb's wife and the attempt on Katherine's life. Meanwhile, Jack finds Mia in a compromising position.
Sheriff Lamb's investigation into the death of Porter Gainsely's attorney sparks an attack on Katherine that lands her in the hospital and results in Lamb being stripped of his authority. Meanwhile, new details that could shed light on the truth behind the untimely death of Lamb's wife are uncovered.
Mia is taken hostage by a suspect in the murder of a Savoy craps dealer. Meanwhile, Savino plays dirty with Gainsley when the Tumbleweed Casino reopens; and Yvonne questions her new relationship with Dixon when her ethnic background becomes an issue.
DA Reynolds sweats the idea of a wiretap on Savino's phones, but Ralph, Jack and Katherine expect to use it to their advantage. Later, Dixon and Yvonne visit Violet in Hollywood, where Yvonne gets the chance to show off her singing voice at a star-studded gathering; and Mia is shocked when her supposedly deceased mother shows up in town and sets her romantic sights on Savino.
An FBI agent prevents Sheriff Lamb from pressing charges against a pimp so that the Fed can use him to get dope on Savino. Meanwhile, Dixon falls for a Hollywood starlet; and he and Tommy discover that Yvonne has an excellent voice and that she has a chance at turning professional.
A rash of robberies strike the Savoy, so Sheriff Lamb sends Dixon undercover to investigate. Later, Ralph and Jack put the mob in their crosshairs when they look for those responsible for the murder of the biggest contractor in Las Vegas.
Katherine takes a special interest in the investigation into the rape and murder of a showgirl at the Stargazer Casino, while back at the Savoy, Savino lands an influential high roller and hopes his notoriety will convince other high-stakes gamblers to come out and play.
Things get complicated for Savino when Rizzo hires his former mistress, a popular cabaret singer, to perform at the casino. Meanwhile, clues to a murder case lead to a nearby Air Force base, which means police must share jurisdiction with the military.
During election time, Savino wants a mayor in office who is "friendly" to his mob-related interests and concerns, so he throws his considerable power and support behind the challenger to the incumbent.
When the son of a gaming-commission member is kidnapped, Sheriff Lamb suspects Savino, who has been angling for a special gambling license for the casino. Meanwhile, Savino's wife arrives in Las Vegas to support her husband, who has promised that the family will be safe there, but the arrival of a Milwaukee hit man jeopardizes things.
The investigation into the murder of a black maid reveals a connection to a prominent local businessman, while Savino's interest in investing in another casino piques the interest of the Milwaukee mob.
Fact-based crime drama set in 1960s Nevada about a rancher who reluctantly turns lawman begins with new sheriff, Ralph Lamb, investigating the murder of the governor's niece and locking horns with a Chicago mobster running a swanky Las Vegas casino.