Tim goes missing, and Holly reaches out to the tribe and Tim's platoon for help. Meanwhile, Denise catches Michael in a compromising position; Latasha and Quincy receive news about his military career; and Roland and Joan prepare to say good-bye to Fort Marshall.
Latasha worries about Quincy's future in the Army; Gloria agrees to go on a date with Hector; Denise volunteers for a relief mission to an earthquake-ravaged country; Holly becomes concerned about Tim's behavior; Michael and Kat share a moment.
The men return from Afghanistan, including Tim, but he struggles to readjust to life on the home front. Meanwhile, Quincy's injuries put his army career in jeopardy; Joan makes a decision about the Army War College; and Gloria fears that Hector may be seriously hurt.
The troops receive orders to return to Fort Marshall; Maggie bonds with Caroline after getting her out of a tough situation; Latasha worries about unexpected expenses; Hector gets sad news from the home front; Gloria searches for a new apartment.
The tribe gathers for Claudia Joy's dedication ceremony; Denise encounters an emergency at the hospital; Michael and Kat bond at a non-work function; Patrick reluctantly breaks up with Gloria; Roland gives Joan an ultimatum; Maggie learns that Caroline has been lying to her.
Gloria discovers that Holly possesses a hidden talent that could help raise money for Claudia Joy's garden. Meanwhile, Hector learns about Gloria and Patrick; and Michael unknowingly encourages Kat's daughter, a Citadel cadet, to switch from Air Force to Army.
Gloria ends her relationship with Patrick; Denise tries to ease the tension between Gloria and Jackie; Michael clashes with a new female Air Force colonel; Joan gets reprimanded at work; Maggie tries to bond with Caroline; Eddie and Patrick arrive in Afghanistan.
Denise helps Michael sort through Claudia Joy's clothes; Caroline insists on living with her real mother after Eddie is deployed; Pat tells Gloria that he is being deployed the next day; Joan finds it difficult to juggle work and parenthood when David gets sick from his new drug regimen.
Gloria meets a new guy at the Hump bar; Jackie's son comes home with some surprising news; Denise and Frank celebrate another anniversary apart; Joan has a disagreement with Latasha and Maggie after the boys get in trouble again; Holly is disappointed when she can't talk to Tim after his squad is ambushed.
Joan adjusts to life at home after being pulled from combat; Gloria receives her divorce papers; Denise cares for Latasha's son when he is rushed to the emergency room; Maggie and Eddie's blended family bump heads; the soldiers in Afghanistan are moved to a remote and dangerous outpost.
News of an explosion in Afghanistan rocks Fort Marshall; Joan is surprised by her new orders; Denise gets more than she bargained for when she agrees to watch David and Sara Elizabeth; Latasha, Maggie and Denise are brought together when their boys get into trouble; Jackie worries that Kevin is returning to battle too soon.
The tribe comes together to say good-bye to a loved one. Meanwhile, Roxy and Gloria befriend a young army wife; Roland is presented with an opportunity to expand his research work; and a fight breaks out at the Hump.