Mace Tyrell refuses to surrender at the siege of Storm's End. Utterly crushed and with his two eldest sons killed, the lord of high garden finds himself at the mercy of the quiet wolf. Unwilling to rob a loyal man of his only remaining heir, Eddard takes the newborn Margaery to be raised with his son as a ward in Winterfell to ensure the cooperation of the Reach. Robb/Margaery

Traumatised and demoralised after surviving the Red Wedding, Robb is a virtual prisoner at Riverrun and hope is fading fast. Widowed on her wedding day, Margaery is disillusioned and drifting until she joins her brothers on a diplomatic mission to the Riverlands. Neither realise they are each other's last chance. Robb x Margaery and Jon x Dany

(Hogwarts AU, Fake Dating AU) Robb Stark has always worn his heart on his sleeve. But during his sixth year at Hogwarts, he finds that being so open about his feelings for Daenerys Targaryen may or may not be stopping his cousin Jon from a shot at true happiness - so Robb enlists the help of his new potions partner, Margaery Tyrell, to set things right.