After Carl Oliver, The American Sniper and King of Guns, heroically dies saving a little boy named Spencer from a car explosion, his spirit is magically transferred into Spencer's 9 year old body. Now Carl, while inside the body of a 9 year old boy, must save his new family's gun range from unscrupulous relatives, evil rivals, and even deranged killers, while trying not to drink all the juice boxes and crustables in his new family's fridge.
