Condemned to see only when the night falls, the abandoned blind sisters with the untraceable past, Louise and Henriette, share a horrible secret. Their days are black, their nights are blue, and their insatiable thirst for warm, bright-red blood compels the orphaned predators to roam the ill-lit streets of Paris in search of unsuspecting victims to sustain their unholy existenc...

　　性格怪癖的老实人于洛来到不列塔尼半岛的海滨小城度假，但他把那儿弄得一团糟，因为不管他要干什么，事情迟早会走样……