Randy and Pete partake in Sgt. Major Cody's Army Ranger trials, reigniting their intense competition over everything. Things take a turn when Jill joins the trial and both brothers think they're in love with her. Meanwhile, Derrick feels emasculated by Erin's ex, and enlists the platoon to make him seem more capable of manly tasks than he really is.
Charming, funny and a natural-born leader, Sergeant Pete Hill was on a path for a huge military career until one mistake overseas got him booted stateside to Fort McGee, the base in Florida where his two younger brothers are stationed. Now, as head of their platoon, Pete must serve both as Big Brother and military boss. Corporal Derrick Hill is the middle brother - smart and sarcastic, he likes to stir up trouble and doesn't really care about being a soldier. Private Randy Hill, on the other hand, loves it. He's the hyper-enthusiastic, hyper-goofy - just hyper - youngest brother who wants to be the gung-ho "GI Joe" military ideal. The Hill brothers serve on the Rear Detachment (Rear D) unit, comprised of the soldiers left behind when everyone else is deployed, because they're not quite good enough to be sent overseas, yet not bad enough to be kicked out of the Army. These are the men and women who mow lawns at the base, sort mail, wash tanks, find lost dogs and maybe engage in a war game or two. But the Rear D's main job is taking care of deployed soldiers' families.
Whatever they need, the Rear D soldiers do. And, in The Event that something happens to a soldier overseas, the Rear D troops break the news to the family and become a supportive shoulder to cry on. It's a job that shifts each moment from the thrilling to the mundane to the emotional and back again. Fort McGee is run by Command Sergeant Major Donald Cody, a firm but fair man who served with the brothers' late father. Major Cody promised to look out for them, so he brought all the brothers to the base to fulfill that promise. Cody has seen it all and lost a foot to prove it - which no one can forget, probably since he never misses an opportunity to bring it up. Confident, funny, tough and beautiful, Sergeant Jill Perez is the same rank as Pete and leads the other Rear D platoon on base.
A military-set family comedy, Enlisted centers on three brothers who, when the best of the best are sent overseas, stay behind to try to keep the base in order. Between hijacking tanks, inventing new drinking games and accidentally blowing up a fuel truck, they will inadvertently discover the key to strengthening their long-lost childhood bonds.