Archer is in trouble with his Mother and the Comptroller because his expense account is way out of proportion to his actual expenses. So he creates the idea that a Mole has breeched ISIS and he needs to get into the mainframe to hunt him down (so he can cover his tracks!). All this leads to a surprising ending.
Lana Lusts for Sterling Archer which leads Malory to give Cyril a promotion to a field agent. Because of this Archer is forced to train Cyril. Meanwhile Malory worries about her sons future, among other things.
A new field agent makes a splash at ISIS, but the other agents begin to believe there's something to the new diversity hire's perfect facade.
Malory holds a party for UN intelligence chairmen, but assassins are out to hug him.
Malory's job may be in danger after a video tape is released of her, so she turns to Archer for help.
Malory chooses Lana over Archer for a mission to Saint-Tropez to take down an arms dealer, while being accompanied by Malory. Meanwhile Cyril worries about Lana's safety, and her fidelity.
When a bomb threat jeopardizes the maiden voyage of the luxury airship Excelsior, Archer and the ISIS crew must battle the clock (and each other) to avert disaster.
ISIS loses yet another contract to ODIN, so Malory assigns Archer and Lana to steal a priceless diamond from ODIN's biggest client in order to embarrass the rival spy agency.
Archer takes a better-paying job at rival agency ODIN, and Malory is determined to get him back.
Season 1 finale: Questions about the identity of Archer's real father lead him into a trap - and a confrontation with Malory.