Alec and the team head to Las Vegas to help Camille, a former colleague turned expert poker player who's been lured into danger. They must take some risks to solve a gambling mystery before Camille gets hurt. Marisa makes a significant discovery.
MacGyver helps Murdoc locate and rescue his sister, Ashton, who was kidnapped by a gang of assassins he used to work for who are unwilling to accept his retirement.
With the wedding party reeling after the deadly events at the rehearsal, Abby, Henry and J.D. take matters into their own hands as they try and solve the murder.
A man finds himself in what seems to be a refuge in a post-apocalyptic world, lorded over by a sadistic industrialist who pits his guests against one another for enjoyment...but all is not what it seems to be.
Tony is pursued by a woman he suspects is filing false complaints.