Luna had always been deeply in love with her fiancé, Aaron, but on the eve of their wedding, the manipulative Ellie orchestrated a horrific tragedy, forcing Luna to publicly betray Aaron to save his life. Cast out and shamed, Luna discovered she was suffering from terminal cancer and passed away in a quiet hospital, her love still unspoken. Years later, at a gala celebrating Aaron's immense career success, Luna's childhood friend Natalie—the only one who knew the truth—steps forward to expose Ellie's web of lies in front of the entire elite world. When Aaron finally learns the agonizing reason behind Luna's betrayal and her death, he is left drowning in a sea of regret. A heart-wrenching tale of high-society tragedy and fated heart. Regret is his final gift.