Luna, a girl searching for a cure for her curse of transforming into a maned wolf every full moon, is the daughter of Carol, who began secret genetic research funded by a pharmaceutical group to find a solution to her daughter's problem, the result of a relationship with a werewolf during her days as a Biology student at university.

Desperate to find a cure for the unknown illness affecting her daughter, art collector Lúcia Rossetti turns to a spiritual healer. When Lúcia falls victim to a scam, a series of secrets is revealed, intertwining two families marked by love, control, resentment, and guilt.