I Am Mary: A Bloody Legend — Episode 3

Mary and her fiancé, Nick, may not have much money, but they have love. As an orphan with no family of her own, Mary dreams of a wedding surrounded by Nick's family, but he has been keeping secrets about his estranged relatives. Then, his mother unexpectedly arrives, warmly welcoming Mary into the wealthy and mysterious Thornwood family. She even offers to host the wedding at their grand estate. But on the morning of the ceremony, a gruesome discovery shatters Mary's dreams. She realizes she hasn't walked into a happily ever after, but a twisted nightmare rooted in the Thornwood family's dark history—one that could end up costing her life.