A wealthy inventor arrives at Grey Sloan and asks Koracick for help; Meredith struggles to save a woman with diabetes who has been rationing her insulin; Jo and Link fight to save a young man who fell onto train tracks.
DeLuca has a seemingly incurable patient and turns to a diagnostics genius for help; Bailey checks in on Joey, a foster kid that Ben brought into Grey Sloan; Amelia is getting the results of her paternity test.
After a car crashes into Joe's Bar, Andy and Sullivan lead the team of firefighters as they work to rescue people before the building comes crumbling down.