Bárbara (Maria João Bastos) leads what seems to be a flawless, comfortable life alongside her husband, António (Albano Jerónimo), and their teenage son. Her world violently fractures when she uncovers evidence of António’s secret life and ongoing affair with Rita (Joana Metrass). Consumed by the agonizing pain of his betrayal, Bárbara’s heartbreak quickly deforms into a dark, calculated obsession as she begins actively planning the ultimate retribution: murdering her husband.