The arrival of a new consultant puts all of the doctors on edge, especially once she starts stepping on toes in the OR. Amelia and Owen bring their personal problems into the hospital, while April explores some uncharted territory.

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 and the attendings set out to make Eliza’s first day at Grey Sloan a bumpy one. Meanwhile, Meredith tries to track down Alex.

Maggie gets a surprise visit from her mother at the hospital. Bailey has to make a difficult decision when one of the attendings refuses to work with Eliza, and Stephanie gets caught up in Owen and Amelia’s personal drama.

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.

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.

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

When Maggie takes on a big case, 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.

April and Andrew consult with a fiery patient who has a giant, inoperable heart tumor. Meanwhile, Alex and Eliza are at odds over the treatment of a young patient, and Stephanie and Ben make decisions that could affect their careers.

The doctors of Grey Sloan encounter a difficult case involving a dangerous patient. Meanwhile, Owen receives life-changing news that pushes Amelia to step up to support him, and Alex attends a medical conference after making a shocking discovery.

The doctors’ lives are at risk after a dangerous patient escapes the hospital room. Alex must make a hard choice in his relationship with Jo while Meredith has some big news for Nathan that brings things to a turning point.