Grey's Anatomy Season 15, Episode 21, titled "Good Shepherd," is a character-centric installment focused on Amelia Shepherd's family reunion in New York City. The episode highlights a pivotal medical case performed by Amelia alongside Link, while tackling themes of familial reconciliation. Detailed summaries of the episode are available through sources like Refinery29 . Greys Anatomy Season 15 Episode 21 Recap - Refinery29