After the catastrophic hospital explosion, Grey Sloan's staff scrambles to save not only their patients' lives but also their own. Confronted with impossible surgical decisions and emotional turmoil, they fight to preserve life amid devastation.

The team at Grey Sloan navigates a chaotic first day of surgical rotations amid hospital renovations. Meanwhile, Meredith spends time with Amelia.

A high-risk lung transplant pushes the surgical team to their limits. Meanwhile, Bailey juggles a trauma patient whose treatment hangs in the balance.

The interns juggle a bizarre trauma, while a complex breast reconstruction forces Meredith into a tense partnership.

Jo navigates a challenging case with a pregnant mother, while Blue and Jules care for a diabetic patient. Meanwhile, Simone treats a patient with a surprising revelation.

Grey Sloan takes in patients following a catastrophic bus accident. Teddy and Owen have an awkward encounter, and Richard tests Bailey's patience.

Winston and Ben fight to save Jo's life, while Teddy supports Link. Owen and Jules battle to save a young man, and Lucas forms an unexpected bond with a patient.

Bailey and Owen join forces to save a tumor patient, while Richard faces an internal battle. Meanwhile, Jules struggles with her feelings for Winston.

Richard continues to navigate his health. Meanwhile, Meredith and Nick are visited by Nick's estranged sister from Boston.

Addison Montgomery returns to Grey Sloan, seeking assistance with a patient with a neurological condition. Bailey joins Owen and Blue on a paramedic ride-along.

Teddy and Winston clash over a case, while Owen and Jules treat a urologist. Lucas struggles with prioritizing patients.

Richard tackles a shocking case on his first day back, while Kavita and Jules prepare for a high-stakes presentation. Bailey must have a difficult conversation with a beloved patient, and Jo works to baby-proof the loft.