When Peggy discovers she never graduated high school, she joins Kelly's home economics class.
When an Olympic-bound gymnast dies of complications linked to a steroid overdose, Officers Penhall and Hoffs go undercover on the athletically competitive Augustana High School campus to discover the source.
MacGyver tries to help an old silent film star retrieve the only existing prints of his work from a pair who come up with some special effects of their own to try and trap MacGyver.