The Demon of Vengeance

Marina discovers the killer's mask in Pablo's car and confronts him. During the struggle they end up crashing into a tree. Two days later she wakes to discover Pablo by her side, trying to reassure her that he is innocent. With the mask in their possession they figure out that only one person could have made it. But the man lives in the Cies and to reach him they'll need Castaño's help.