Luna Magbanua thought she had the perfect life and husband after marrying William Dela Madrid, heir to San Esperanza’s richest family. But when she discovers an old diary exposing the dark truths of the Dela Madrids and the tragic life of a woman named Isabel, Luna is drawn into a web of lies and danger. As Luna digs deeper, she starts piecing together a story no one wants her to uncover and learns the Dela Madrids will do whatever it takes to keep their past buried.