My Billionaire Best Friend Is My Fake Fiancé

Savannah is stunned when her younger sister invites her to marry the toxic ex who once hurt her. Rather than accept the humiliation, she persuades Roman, her billionaire best friend, to pretend to be her fiancé and return home with her. Their goal is straightforward: act like a devoted couple and disrupt the island wedding. But the performance soon blurs with genuine feelings, and Savannah realizes she is falling for the one man she cannot bear to lose. When her ex's past misdeeds surface, the sisters turn on each other, and a long-hidden family scandal begins to emerge. Can their fake engagement survive the secrets threatening to tear them apart?