Marissa Cortez Wilson has it all: married to a famous spy-hunting television reporter, with a new baby and intelligent twin step kids, Rebecca and Cecil. When maniacal Timekeeper disrupts her domestic bliss, threatening to take over the planet. Marissa comes out of retirement as a top secret agent. With Armageddon quickly approaching, Rebecca and Cecil are thrust into action! With a little help from some familiar SPY KIDS friends, Carmen, Juni, and Gregorio Cortez, their faithful dog Argonaut and some mind-blowing gadgets, they just may be able to save the world!