My Twins Daddy

Sara,a beautiful and nice lady meet a guy in 5th year at University, Richard have all a lady could wish for in a guy, he asked her out and she accept, their love story was going smoothly until her convocation day, the day she as her saddest day in her life.
She was raped by her so called lover Richard, she was left in a pool of blood alone by herself.
she got pregnant and accept it as her cross,she gave birth to a twins.
7 years later, Richard came back with a wife and a child.
what would happened to their love life? would she accept him to be the father of her children? what about his wife and child?
This work is entire fiction.