Jake Borelli

As fog begins to cover Seattle, the doctors must navigate through personal complications; Meredith and Alex attempt to save Gus; Levi talks some sense into a struggling Nico.

Meredith gains some clarity about her love life. Owen and Amelia are surprised by Betty. Bailey and Ben's marriage comes to a head.

Alex endures an agonising wait for a severely agoraphobic blood donor to arrive from London to save his patient; Jo opens up to Meredith.

The hospital is overrun with patients after gunfire goes off during a parade. Meanwhile, a figure from Maggie's past throws her off her game on the same day that Meredith tries to speak to her about Deluca.

Things don't go as planned at Alex and Jo's wedding; the stress of the past year has taken a toll on Bailey, making her re-evaluate some of her decisions.

One of Alex's patients insists on leaving the hospital in spite of his concerns; an employee is under suspicion from the US Immigration and Customs Enforcement agency; Arizona examines Matthew Taylor's baby.