I married my ex-boyfriend's brother

There's woman who married her ex- boyfriend's brother without knowing. The day she married the man of her life was the day when she found out that her husband's brother is her ex- boyfriend. The three of them lived in the same roof. Her husband goes to his work everyday while her ex stays at home. After knowing that his brother went to work and his ex is in the same roof, He made a move that he'll surely regret.