Megan preps for the opening night of her play. Kyle must deal with the re-emergence of a controversial person from his past, and Terence realises he needs Kyle's help to save the Institute from a possible scandal.
In a bid to get back at MacGyver and Thornton, a nemesis plots to manipulate Penny and her big show business break.
Angie takes an aggressive approach to solve the murder of a high school student; Lucas and Sung's relationship gets personal.
A drug investigation in a massage parlour puts Hoffs and Garrett in conflict with a DEA officer.