Ripped away from her home and friends, Cat Parkes Perez struggles to adapt to life after her mother, Isabel, unexpectedly becomes Australia's newest prime minister.

Cat works with her new friends to unmask the troublemaking Agitators and, when special visitors come to school, Cat wants to make her voice heard.

Cat competes in a mock parliament with crucial evidence against the Agitators on the line; excitement bubbles around the arrival of a global superstar.

Cat, Sadie, and Ollie attempt to catch the Agitators at an art gallery event; Cat struggles to fulfil her duties as the PM's daughter.

When Isabel and Cat host an impromptu ball at the Lodge, Cat smells a rat - one that could take down the prime minister.

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