Violet's book launch party has finally arrived but Sheldon finds himself attracted to the doctor who criticized her book. A surrogate under Addison and Pete's care is caught in a complicated love triangle. Cooper and Sam must convince a family that their son's health must take a priority over his sports career.

Pete suspects that his brother Adam may be responsible for their mother's illness. Meanwhile, Violet discovers quite by chance that Sheldon is dating Marla Phillips, the doctor who panned her book, and who Violet considers as her archenemy. Cooper's patient is a musical prodigy with a debilitating brain tumor.