Tanya grew up an orphan and then married Tom for all the wrong reasons. She was abused from day one. Then he turned on their oldest son and started to beat him as well. Attacking Tom to give her boys a chance to escape was her only option.
Even divorce didn't solve the problem. Going back to work and raising her sons, Tanya always knew that Tom was never far away. Every time she got comfortable he re-appeared and the fear returned.
When his second wife passes away she knows she must do something. But what could be more permanent than divorce?