Julie Chan, a supermarket cashier with nothing to lose, finds herself thrust into the glamorous yet perilous world of her late twin sister, Chloe VanHuusen, a popular influencer. When Julie discovers Chloe's lifeless body under mysterious circumstances, she seizes the chance to live the life she's always envied. However, Julie soon realizes that Chloe's seemingly picture-perfect life was anything but. Julie faces mounting challenges during a weeklong island retreat with Chloe's exclusive group of influencer friends. As events spiral out of control, Julie uncovers the sinister forces that may have led to her sister's demise and realizes she might be the next target.