Rosario Guerrero was drugged and framed by her father's mistress, but the Wolf King, Sebastián León, saved her. After a night together, she was exiled and gave birth alone to Andrés, a boy able to speak with beasts. Five years later, while seeking medicine for her son, she is reunited with Sebastián. After overcoming misunderstandings, revenge, and clan wars, Rosario and Sebastián surmount every obstacle. And the family finally manages to live together, happy and united.