Marty's plan to open a riverboat casino is complicated by Darlene Snell's schemes, Ruth's paroled father, state politics and a Kansas City mobster.
Ruth's dad gets out of jail. Approval for a riverboat casino calls for Wendy's political skills. The Mexican cartel demands reparations from the Snells.
When a mobster jeopardizes the casino bill, Marty enlists Buddy's help. Wendy resorts to dirty tactics to get votes. Cade reminds Ruth of her roots.
Wendy does damage control when Wilkes's pressure on Sen. Blake backfires. Rachel is sent on a mission. Ruth resists accepting her Langmore destiny.
The FBI sends out a second lure. Charlotte slips up while chatting with Wyatt. The Byrdes grow wary of Rachel, who deflects suspicion onto someone else.
Agent Petty's revelation tests the loyalties of Marty, Ruth and the cartel. Despite the FBI closing in, the Snells refuse to destroy their poppies.
An FBI search of the Snells' field yields a surprise. Playing hardball, Agent Petty questions Wilkes. The Byrdes mourn a loss.
Mason goes off the deep end and focuses his rage on the Byrdes. Ruth tries to make her dad proud during a boat-part heist.
Darlene makes one too many rash moves. Marty tries to free Rachel from Agent Petty's grasp. Jonah helps his mom force Wilkes to continue his support.
Marty finds a way around the Snells. Charlotte hires a lawyer. The Byrdes get a meeting with the gaming commission, whose approval comes with a big ask.