After Pete and Jill tie for the base marksmanship trophy, they embark on a series of additional competitions to try and break the tie. Meanwhile, Randy is the only member of his troop to fail the marksmanship test, so Derrick steps in with some unusual training methods to prepare his brother for a retest.

Randy wants Pete to move in with him and Derrick but Pete just wants to get away from everyone at the end of the day, so he buys a trailer away from the barracks. Meanwhile, Robinson and Park challenge Sgt. Perez's desire to be an enigma who keeps her work and private lives separate.

Cody meets with USMC Sergeant Major Diggins to discuss an upcoming Army-Marine flag football game, and the two make their "usual wager" on the results of the game. In his room, Randy becomes emotional watching military homecoming videos on the Internet.

The troops are all set for a day at the beach on "soldier appreciation day", when Cody asks the Hill brothers to look after three Korean War veterans who are visiting Fort McGee for the first time in 60 years. After the vets steal a Humvee and the brothers go to retrieve it, they each find a connection with one of the old men. The guys learn that the vets are in town for the funeral of a recently passed comrade, and they help the old men fulfill their Army brother's dying wish. Meanwhile, Derrick learns that Erin has a 6-year old son.

Pete tries to get the troops excited about painting duty by suggesting they use his tricked-out golf cart, "Paint Cart 5000". But Pete's contraption is upstaged when his troops are introduced to "Mondo Spider", a robotic attack machine. The troops badly want to be part of the detail testing Mondo Spider, but its access is controlled by Lieutenant Schneeberger, whom Pete has crossed in the past. Meanwhile, Cody insists that Derrick use his photography skills to take a new portrait of him, causing Derrick to miss the Mondo Spider tests.

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

The Hill brothers celebrate Pete's one year anniversary of almost dying in Afghanistan, otherwise known as his "Alive Day." After the funding has been cut for the annual ball, which was going to honor Major Cody, Pete enlists the platoon to create their own ball to honor him.