Jinx returns to the Sullivan family on Willa's birthday but faces immediate rejection and hostility. Despite Willa being celebrated as the family's favored adopted daughter, Jinx reveals years of neglect and mistreatment since being taken in. Jinx tries to claim her place by correcting their father's work and challenging Willa, but their parents side with Willa, deepening the divide. Meanwhile, Jinx struggles with a past trauma she claimed happened but was harshly disbelieved. As family tensions explode, Jinx vows to rise above their cruelty, setting the stage for a fierce battle over acceptance and power within the family.