Amelia and Simone attempt to perform a high-stakes and groundbreaking brain surgery. Teddy and Bailey attend a medical conference and run into Dr. Cass Beckman. Meanwhile, Jo struggles with her irritation toward a younger 

A window washer's platform crashes through a hospital window, testing the Grey Sloan team's limits. Meanwhile, Blue and Simone clash over their living arrangements, and Lucas strives to impress Catherine while on her service.