Marshals Season 1 Episode 10, aired May 3 on CBS, ties back to Yellowstone with escaped prisoner Neil Lamb, a former Dutton ranch hand. Kayce tracks him in a tense forest standoff, while Belle confronts her criminal mother, and Cal saves teammate Garrett from a fire amid revelations of their shared SEAL past.
In the Yellowstone spin-off Marshals, starring Luke Grimes as U.S. Marshal Kayce Dutton, Episode 10 begins with a bus crash during a rock slide, freeing three prisoners—including Neil Lamb, a character created for the series but linked to the Dutton family as a former Yellowstone ranch hand under John Dutton.
Kayce recognizes Neil's name and pursues him through a dark forest. Neil, seeking a deal with prosecutors, tempts Kayce: he'll keep Dutton secrets quiet if helped across the border, adding, 'Even as a boy, you were a different sort of man than your father.' Kayce wavers until Cal intervenes.
Meanwhile, Cal rescues Garrett from a barn fire, leaving him with second-degree burns and potential lung damage. In the hospital, Cal shares with Kayce their Navy SEAL history: 'Having Double G around is more complicated than you know. I drafted him onto Bravo. I swim-buddied him, and I groomed him for a career in the teams.' Tensions simmer as Garrett asks Kayce to relay his apology to Cal.
Belle treats escaped prisoner Samantha (Brenda Strong), discovering she's her mother, connected to a deadly mine accident covered up by Belle's CEO father, who later suicided. Belle reveals her resentment drives her marshal work; Samantha hints at reconciliation.
Subplots advance: Cal warns Miles about the job's toll on relationships, drawing from his past with Maddie's mother. Miles defies him during a hunt, prompting Cal to question his honesty with Maddie.