A case involving one of Chicago's most wanted fugitives hits close to home with Olinsky; an altercation with another officer lands Sean Roman in hot water; Platt helps Nadia prepare for her polygraph test.
Murdoc abducts MacGyver's girlfriend to force Mac to help him rescue his son from a kidnapper; a dangerous person from Murdoc's personal life shows up, giving Mac a glimpse into the villain's past.