Maria sacrificed her education for her family, faces struggles and takes care of her deaf brother Miguel. Rita, unable to conceive and desperate to please her demanding family, manipulates Maria into becoming her surrogate. Rita's emotional stability is further shaken by the return of her long-lost sister, Francisca, and her granddaughter. Feeling threatened by Francisca's lingering affection for her husband and her newfound status as a grandmother, Rita seeks control over her husband and father by involving Maria in her plan. Initially resistant, Maria is eventually coerced into agreeing, leaving her burdened with insurmountable debt. Rita's determination and manipulation will test the limits of Maria's loyalty and lead to a complex web of relationships and emotional turmoil for all involved.