Elizabeth, a brilliant but frustrated lab technician in the 1950s, is punished after she's caught conducting her own research after hours.

In pursuit of a prestigious grant, Elizabeth and Calvin join forces in the lab. Their partnership yields unexpected results.

Elizabeth butts heads with her new boss as she works to make Supper at Six her own. Mad meets a new friend while working on her family tree.

Newfound fame presents challenges for Elizabeth. Mad continues her covert mission. Tensions surrounding the freeway come to a head.