Ni pies ni cabeza.

Two clumsy policemen, Kiko and Castro find during a routine patrol in the forest a dead body without feet and head. After several inquiries, they discover that it belongs to a prominent member of the union, frowned upon by the officers. To solve the case they choose Elias, an agent with little experience who will investigate the case with the help of Conda, the medical examiner, and the clumsy agents that discovered the body.