露比·理查森与大学时期的前男友比利·约翰逊在17年前有个约定：若其中一人收到对方传来“逃”的简讯，并回复同样内容，两人将立即放下生活中的一切，在大中央总站会面，共同踏上横穿美国的旅途。

Fleabag is a rip-roaring look at some sort of woman living her sort of life. Fleabag may seem oversexed, emotionally unfiltered and self-obsessed, but that's just the tip of the iceberg. With family and friendships under strain and a guinea pig café struggling to keep afloat, Fleabag suddenly finds herself with nothing to lose.