世界上最强大的秘密特工的孩子们无意中帮助一个有权势的游戏开发者释放了一种电脑病毒、使他能够控制所有技术，导致他们自己成为特工来拯救父母和世界。

　　It's Walker's (Jared Padalecki) birthday and Geri (Odette Annable) is pulling out all the stops, but her plans are huo87,com thwarted. Walker, Captain James (Cody Bell) and Trey (Jeff Pierre) tackle a case together and Cassie (Ashley Reyes) surprises everyone with her return. Abby (Molly Hagan) asks for Liam's (Keegan Allen) help to bring Stella (Violet Brinson) out of her cocoon. Meanwhile, August (Kale Culley) is enjoying his senior year of high school, leaving Walker feeling like an empty nester.