story: when Addison meets Derek in college she thinks she's found her prince, her one . And for a while at least , things are the fairytale she pictured. until one day, Derek's anger takes over, and then he stops being angry, stops finding a reason to hit her . Addison's college friends Sam and Naomi, and Derek's little sister Amelia try to help , but then Addison has a son. Her baby , Derek's baby , and she feels trapped. It's not until she meets Jake , a fertility doctor on the same floor of her la office , that she finds the strength to leave her husband .