Book description:Carme and Joan come from different worlds. She has had a complicated life and, at seventeen, she is alone and with a bleak future ahead of her. He is a rookie cop but with a brilliant career to develop, with loving and supportive parents. The fate of both cross in the Barcelona streets by chance, uniting their lives remain forever. Two completely different people who feel that everything is easier if they are together. Two crossed lives that improve each other. A police unit that will start to work in spite of everything. A human trafficking case that goes beyond their borders, which is the beginning of something that they themselves do not know what implications it will have on their future or on those around them.