What Hughie knows is not what Butcher knows, and what Annie January knows is something else again. Meanwhile, Frenchie tries a different tack with the Female, and MM keeps abreast of all developments. The second half of the saga kicks off with a bang that leaves everyone reeling, in this special prologue episode to the next Boys adventure: What I Know.
— Description from Comic Vine community (comicvine.gamespot.com).
