The Trapped Heiress's Revenge

Silvia Sterling locks herself in a secret room. She witnesses the betrayal of her fiancé, Leo Grayson, and her bestie, Jenna. Silvia wants to reclaim everything that is hers. When Leo learns she is trapped, he is afraid of Silvia and that everything he has will be reduced to ashes. He decides it's better if she never comes out. But... she does.