Alex Blue Davis

An agent from US Immigration and Customs Enforcement searches the hospital for an employee, Alex's patient wants to leave the hospital to enjoy her final days, but Alex feels differently, and Arizona treats Matthew Taylor's baby.

Jo faces her estranged, abusive husband. The hospital works with the FBI after a hacker compromises the computer system.

Although he enjoys spending time with Maggie, Jackson must focus on the groundbreaking surgery he has scheduled with Catherine and Richard. Meanwhile, Jo assists Bailey with a patient who used to be an astronaut.

New doctors continue to shake up the hospital, Meredith bonds with a patient and Jackson struggles with the meaning behind recent experiences. Meanwhile, Jo forms an unexpected alliance.

Meredith questions Link's laid-back approach over a patient's treatment. Maggie worries that Richard, Jackson and Catherine haven't come to terms with Catherine's diagnosis.

Amelia, Koracick and DeLuca perform a risky procedure to remove a young patient's brain tumour, while Meredith and Jo work with different polymers to try to salvage their project submission. Richard's AA sponsor is admitted to Grey Sloan with a DNR.