Addison treats two pregnant women who unknowingly share the same husband, a visit from an Alzheimer's patient and her loving husband forces Sam and Naomi to look at their own relationship, Violet confronts Charlotte about her relationship with Cooper, and Dell reveals a very special woman in his life to his surprised co-workers.

Addison and Charlotte work together to save the lives of a pregnant woman in a coma and her unborn child, as Pete's girlfriend, Meg, clashes with members of the Oceanside staff when she begins seeing patients there, and Violet seeks Kevin's advice when a patient is suspected of murdering his wife.