Dimas manages to annul Lucas's fragility, in shock, taking him to meet The Mother, who marks him with an iron seal that identifies the cursed heirs, baptizes him with the name of Cain and assures him that his only mother is she. For her part, Elena and Orduño try to extract information from Marina, but it is impossible. They pressure her, but the only thing she manages to stammer is that she has always lived locked up, and she recognizes that she participated with Dimas in Lucas's kidnapping. Mariajo negotiates with Rentero to support the operation, but he does not agree. At the BAC they organize the operation in order to put an end to the spearhead of the network and save Chesca.