Alejandra Lorente

Caye is a young prostitute whose family is unaware of her profession. She meets her striking Dominican neighbour Zulema, an illegal immigrant, after she finds her in the bathroom, badly beaten up. They strike up a close friendship unbeknownst to Caye's xenophobic co-workers.

Luis is an astrophysicist who leads an orderly life with Angela. Everything changes when their new neighbors arrive with their daughter Iris. Overwhelmed by memories of a childhood love, he tries to control his emotions toward the girl so that his life does not fall apart. Luis finds himself immersed in a descent into his own personal hell, where everything seems to lead him to make the most terrible of decisions.

Max is a Jack Russell dog genetically modified for criminal purposes so he is able to talk. Running away from the criminals he's working for, he is wounded, then saved by detective-wannabe Alberto, who is fire and house-hunting. They end up staying with Alberto's sister-in-law Marta and her two children. Thanks to them all, Alberto finally manages to be a detective, and he and Max establish their detective agency: Sabuesos.