赫拉尔多·利埃萨是一名年轻的警探，最近刚加入UCRIF(打击非法移民网络与伪造证件中央行动组)。他和搭档卡门·奥塞斯察觉到，西班牙各地的妓院里正悄然发生着某种变化。绰号“瑞士佬”的皮条客及其同伙经营着多家妓院，对来自世界各地的性工作者进行性剥削。其中一个女孩叫克劳迪娅，年仅18岁，她在哥伦比亚有个年幼的儿子，刚刚抵达西班牙，只为寻求一个更好的未来。

It is said he has someone locked up. People have seen him looking over from the other side of the fence. That kid will disappear any day.

After the birth of her first child, Diane disappears in an unknown city, but her body reawakens her memories and what she is fleeing from.