在墨西哥蒙特雷的山区，一个名为“特科斯”的街头小帮派每天的生活就是听听节奏缓慢的昆比亚音乐、参加各种派对，炫耀他们的穿着、发型和帮派势力。这些由叛逆年轻人组成的群体自称是结合了混血文化与哥伦比亚音乐的“乔洛比亚人”。尤里西斯·桑佩里欧（17 岁）是“特科斯”的头，他试图保护自己的朋友远离迅速演变的毒品/政治战争的阴暗面，但他与当地的卡特尔产生了误会，因此被迫搬到了纽约市的一个多元化移民社区 — 皇后区杰克森高地。尤里西斯努力去融入这个社区，但当他得知他的帮派以及整个混血哥伦比亚文化都面临威胁时，他开始怀疑自己在美国的地位，开始渴望回到家乡。
On leaving work, while Darío Manzano is taking drugs in the car, he receives an unexpected visit from Ginés Chega. At the same time that he points a gun at Darío´s face, he asks about his friend Abraham "El Gitano", whom he accuses of having stolen a lot of money.
Manzano, without knowing what happened, cannot answer anything about it, and Ginés angrily gives Darío a head butt on the nose while threatening him and leaves.
Darío with a broken nose, starts looking for his friend. When he finally finds him, very angry, he reproaches Abraham for stealing from Los Chega, very dangerous people. Trying to find a solution, Darío decides to take Abraham to France so that they will not find him.
That night, during the car journey, Darío suffers a stroke that will cause him to lose control, leaving the road and causing the death of Abraham.
After a few months, the advances in Darío's rehabilitation begin to show results. But everything begins to go wrong due to the accumulation of different events that will put Darío and his family in trouble: defaults with the bank, tensions between them and the imminent sentence of the trial for the accident. To this is added, the pressure from Los Chega to Darío to recover his lost money, since the night of the robbery, Abraham was in the car with Manzano when he suffered the accident.
As a consequence of this, Manzano will live a few hours prior to his entry into prison frantic and full of danger, where he will try to defend, TO THE TEETH OF A DOG, his family.
Spain, late 1980s. Newcomer Sara tries to fit in with the other teens in this tight-knit small town in the province of Tarrgona. If only she were more like her extroverted best friend, Rebe. They go out one night at a nightclub, on the way home, they come upon a little girl holding a doll, dressed for her first communion. And that's when the nightmare begins.