Addison's brother, Archer, makes a surprise visit, stirring up trouble for his big sis.

Addison treats two pregnant women who unknowingly share the same husband.

Violet must choose whether or not to break the law for a friend.

Addison and Naomi treat a religious couple who need surgery for their unborn triplets, but the couple wants to leave the outcome to God; Charlotte has yet to tell Cooper about the downstairs practice, much to Violet's chagrin; Addison's brother, Parker, comes to town and stirs things up.

Addison treats two pregnant women who unknowingly are married to the same man; Violet discovers the downstairs practice is being set up by Charlotte and she promises not to tell Cooper - so Charlotte can; Sam and Naomi treat an elderly couple - the husband has heart failure and the wife has Alzheimer's and he refuses to put his wife in a home.

Working with someone you love isn't easy!

Cooper is in for a surprise back at his place.

Addison finds out that Naomi slept with her brother.

Addison's brother, Archer, makes a move on Naomi.

Addison explains why it's hard for her to say "I Love You."