Prosper follows the Quinn family, the founders and leaders of U Star, one of the world's most powerful and successful megachurches. Based in Sydney, Australia, the family appears to be a beacon of hope and prosperity, but behind the scenes, the dynasty is built on a foundation of secrets, power struggles, and moral decay. When the charismatic founder and patriarch, Cal Quinn, announces his intention to retire, the family is thrown into chaos as his children vie for control of the multi-million dollar religious empire. As the succession battle intensifies, the Quinns are forced to confront the dark reality of their influence and the cost of their ambition. The series explores themes of faith, greed, and family loyalty, as the facade of the perfect religious family begins to crumble under the weight of their own scandals and the scrutiny of the outside world. Each family member must decide how far they are willing to go to protect their legacy and secure their place at the top of the church hierarchy.