General Davidson makes a visit to USAG Stroopsdorf and insults The Colonel by tasking him with commanding the unit of traffic during a Tank Maneuver. The Colonel devises a plan to steal a tank to prove he is still in his prime. Captain Quinn wants to earn her father's respect and organizes her own secret tank heist mission.
After a messy break-up, The Colonel and Katja find themselves going to war between the town and the base. Captain Maggie tries to de-escalate the tension between the two ex-lovers and negotiate a truce. Meanwhile, Major Shah needs extra cash and finds himself roped into a lobster smuggling scheme with Papadakis.
With the celebration of the US's 250th birthday coming up, the base's festivities are on the line when their supplies are held up by a petty and vengeful Davidson. Team Shiny must pull off a daring undercover mission to take back the captive turkeys, as well as other assorted artificially flavored trappings.
Captain Maggie invites her idol, General Martin, to the base in the hopes of pitching herself as a mentee. However, things get complicated when the Colonel and General Martin develop an immediate attraction towards each other. Meanwhile, at the base, Papadakis becomes the leader of a revolt against a movie ban.
Rick takes a sabbatical from the CIA and returns to the base, hoping to rekindle his strained relationship with Captain Maggie. Meanwhile, paranoia runs high when a mole is suspected to be operating inside the base. In a drastic attempt to uncover the traitor, The Colonel administers truth serum to everyone and unleashes far more confessions than he ever bargained.
Stroopsdorf is hosting its first-ever international peace talks, and when Captain Maggie is assigned the seemingly simple task of handing out cheese, The Colonel turns into a full-blown helicopter parent. However, his meddling lands Maggie in charge of all summit events, where every mistake is on her.
Due to flooding from a massive storm, The Colonel invites General Martin and her troops to stay at Stroopsdorf. But when her secret plan to seize control of the base is exposed, the romantic reunion turns into a battle of trust. And while chaos brews, Shah and Maggie turn up the heat on their romance.