The murderer, taking advantage of the chaotic situation during the Descent, manages to get hold of the diamonds. But now he must face a new obstacle – the drug smuggler whose help Fran had enlisted has been following him, and he wants to take the diamonds himself. Meanwhile, Candela and Díaz go over their investigations together, and find the key to identify the murderer. They trace him down when he is on his way out of the island. They have caught him. But he is not prepared to surrender.