Mac and Riley are attacked by a group of masked men after the government calls them in to examine a mysterious object that crash-landed in the Nevada desert. Also, Riley uncovers new information about Mac’s father but questions whether to deliver it to him after he says he needs to move on.

An international crime boss offers Matty a deal she can’t refuse – he’ll surrender himself into her custody if he’s allowed to return to the United States to watch his daughter walk down the aisle. MacGyver and team crash the wedding to ensure the crime lord doesn’t run, only to discover they’re not the only ones lying in wait at the event.