Sequeira, a major businessman in the finishes industry, is found dead at the entrance of the Santo Inácio Zoo in Avintes. On his body, a red fingernail and a photograph of a woman are discovered.

Inspector Guedes, a solitary private detective, is called in to investigate Sequeira’s death. He crosses paths with a mysterious woman, Sandra Isabel.

Sandra lives a life of luxury, surrounded by tigresses and red satin. Is Sandra Isabel responsible for Sequeira’s death? Or merely a small piece in a far more complex mystery?

Crespo, former goalkeeper of the Dragões Sandinenses, is an old acquaintance of Sandra. His life of crime may hold answers and unravel the enigma.

Dogs, parrots and boas. Nothing is what it seems in the final episode of Blood & Marble.