Tani and Junior go under cover at a gym to track down a deadly batch of steroids; Danny and MacGarrett work as bodyguards for Danny's high maintenance ex-mother-in-law, a famous romance novelist with whom he has never gotten along.
Stars: Alex O'Loughlin, Scott Caan, Ian Anthony Dale
Director(s): Eagle Egilsson
Writer(s): Peter M. Lenkov, Alex Kurtzman, Roberto Orci