Grey's Anatomy Season 5 Episode 4 Brave New World

In Grey's Anatomy season 5 episode 4, titled "Brave New World," the interns are introduced to their new attending, Erica Hahn, who makes it clear that she has high expectations for them. Meanwhile, Meredith struggles with the after-effects of being drowned by a patient in the previous episode. She is haunted by nightmares and hallucinations, causing her to question her sanity.

Derek is still dealing with the aftermath of his breakup with Rose, and he finds himself drawn to a patient, Mary, who is undergoing surgery for a brain tumor. Mary is a devout Catholic who is worried that the surgery will cause her to lose her faith, and Derek finds himself questioning his own beliefs as he tries to help her.

Callie and Mark are still trying to navigate their new relationship, but they hit a roadblock when they discover that Mark's ex-girlfriend has had a baby and is claiming that it is his. This leads to tension between Callie and Mark as they try to figure out if they have a future together.

Meanwhile, Izzie is struggling with her feelings for George and her loyalty to her friend, Callie. She is also dealing with a difficult patient, Sadie, who is reckless and puts herself in danger. Izzie is frustrated with Sadie, but she also sees a bit of herself in her.

The episode deals with themes of faith, trust, and loyalty, as the characters are all forced to confront their own beliefs and values. It also explores the challenges that come with new beginnings, as the interns are pushed to their limits by their demanding new attending.

Overall, "Brave New World" is an emotional and thought-provoking episode that showcases the strengths of the Grey's Anatomy ensemble cast. It also sets up several ongoing storylines that will play out throughout the season.