Complete story — includes the ending
After Cooper finds out that he has an eight-year-old son, Mason, he decides to meet him, but not tell him that he is his father yet; Addison and Violet get angered when a pregnant woman's husband decides that he is going to leave the woman and take the baby after she gives birth, because she can't remember anything because of a car accident less than a year ago. Pete continues to lash out at Violet, eventually making Violet lash back at him saying she needs him to be on her side, and be her husband instead of lashing out at him. Sam and Addison both worry about what will happen to their relationship when Addison begins IVF. Charlotte attempts to pay off Erica when she finds out about Mason, angering Erica and Cooper, because Cooper wants to be in Mason's life. After taking the paternity test without Erica or Cooper's permission, Charlotte finds that Cooper is Mason's biological father. Addison asks Sam if he would leave her. Addison's patient's husband doesn't leave her, but instead stays with her because of love. Sheldon tells Pete that he needs to stop lashing out at Violet.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Private Practice season 5. HTML formatting and reference markers removed. · Content license