Steve arrives in New Mexico and meets his grandfather, who shares news of his birth mother's fate. Meanwhile, the Walshes enjoy everyone's company at Casa Walsh, including Santa. Dylan revives his relationship with his father by visiting him in jail.

Brandon goes undercover for The Blaze, hoping to expose steroid use within the athletics team. Unfortunately, his exposé threatens to shine light on more than a corrupt athletics department. Meanwhile, Brenda's minor car accident becomes a major problem for Jim.