Soledad goes undercover as a maid at the Herrera Estate to investigate her mother's "accidental" death ten years ago. She discovers the "blood moon curse" is a lie fabricated by the ruthless matriarch Elvira to cover up her murder of the former mistress and Soledad's mother. Teaming up with the second son Diego, she gathers evidence and exposes Elvira's crimes on the night of the blood moon, clearing her mother's name. She finds love with Diego and opens a workshop to help underprivileged women become independent.