The SWAT team must recover DNA evidence kits stolen from a crime lab and bring in the crew responsible; financial strain at home makes it difficult for Deacon to focus on his role as leader of the SWAT division's annual holiday toy drive.

Jessica and Chris go undercover in Mexico, alone and without back-up, to save a Mexican federal agent kidnapped by a drug-dealing gang that Jessica helped bring to justice years before. Also, Hondo's mother, Charice, worries he's under emotional strain when he engages in a series of small home renovation projects in her home.