Marissa Cortez Wilson has it all. She's married to a famous television reporter, has a new baby and intelligent twin step kids. However, her world turns upside down when the Timekeeper threatens to take over the planet and she -- once a top agent -- is called back into action by the OSS. With Armageddon approaching, her twins, Rebecca and Cecil, leap into action when they learn of their boring step mom's secret past. Now, the world's most competitive ten-year-olds are forced to put their bickering aside and rely on their wits. With a little help from a couple of familiar Spy Kids, Carmen and Juni Cortez, and some mind-blowing gadgets, they just may be able to save the world and possibly bring their family together while they're at it.