Marika Dominczyk

Alex returns to the hospital and discovers a lot has changed since he left. Meanwhile, Jo has to make a difficult decision on a case, and Arizona tries to distance herself from Eliza.

The hospital reels from the effects of the explosion as the doctors scramble to relocate patients. Stephanie and a young girl, Erin, are forgotten about amidst the chaos, trapped in a burning room.

Believing he is going to jail tomorrow, Alex makes a big decision about his future. While the hospital is overrun with victims of a building collapse, Richard demands answers from Bailey about Eliza's presence at Grey Sloan.

Richard, Jackson, April and Catherine tackle a tough trauma case intensified by hospital politics; Amelia finally faces her feelings about Owen; Meredith gets caught between Nathan and Alex over a patient.

The residents are excited for Eliza’s next phase of teaching, but they spend the day caught between the warring attendings. Meanwhile, April has a challenging first day in her new role at the hospital.

When Maggie takes on a big surgery, many of the doctors are worried she's not the right one for the job, while Stephanie makes a mistake, treating one of Grey Sloan's own.