The Agitators target Cat, Sadie and Ollie amid Sadie's Year Leader nomination. Meanwhile, Isabel disappoints Cat during a special day on the Spanish calendar.

When Cat is lumped with a suffocating security detail, Ollie and Miro must put their differences aside to take the lead on the Agitator hunt.

After a shocking discovery about the mysterious insider, Cat and the gang close in on their target. Meanwhile, Isabel makes a discovery of her own.

Cat must unite opposing forces to bring down the insider and save Isabel's career, while her relationships with Isabel and Ollie hang in the balance.