Aiah Arceta has always lived in the shadow of her perfect twin sister, Ara, who was their family's pride. On the day of Ara's wedding to the powerful CEO Mikhael Lim, Ara unexpectedly runs away, leaving their family in chaos. To save their reputation, Aiah is forced by her parents to take Ara's place at the altar. Now trapped in an unwanted marriage, Aiah must navigate a relationship with Mikhael, who sees her as nothing more than a replacement. As secrets unravel and emotions slowly shift, Aiah begins to question if this loveless arrangement could become something more-or if she's destined to remain second best.