Alex Blue Davis

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.

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.

Meredith has a patient whose family is celebrating Day of the Dead, making the doctors remember loved ones they have lost. Meanwhile, Richard shares unexpected news with Meredith about her father.

During presentations at the Innovation Prototypes Day, Arizona shares some cookies that, unbeknown to her, contain a special ingredient.

Ties are strained as Andrew and Carina confront an unforgiving family history; Teddy and Owen work together on a married couple that is expecting; Amelia attends a conference for alternative pain relief.