She was his fiancée's substitute, forced to marry into a wealthy family, and became a pawn in a conspiracy.
He was cold-blooded and paranoid, treating her as the shadow of another woman, humiliating, controlling, and torturing her.
She endured it for three years and finally waited for her true form to return, but was kicked away.
Everyone thought she would leave in tears, but instead she bought half of the group with a divorce agreement and a business plan.
When the truth was revealed, he discovered that she was not a substitute at all, but the only true love he had pushed away with his own hands.