K.C. Cooper, a brilliant high school student with a talent for math and a black belt in karate, discovers that her parents are secret agents when they enlist her to join their covert government organization, The Organization. Equipped with cutting-edge spy technology, K.C. must navigate the challenges of espionage, including keeping her new role hidden from her best friend, Marisa. Alongside her parents, Craig and Kira, and her younger siblings, Ernie and Judy (who is actually a humanoid robot), K.C. strives to maintain a normal family life while embarking on undercover missions around the globe to protect the world.