Andy and Sullivan find a way to stay connected. Ben confronts atough loss. Jack and Inara grow closer. while off duty, thecrew jumps into action to help a mother in distress, but theirheroic efforts spark conflict with police officers.
Dale and Meemaw work out relationship issues while playingDungeons and Dragons with Sheldon and Missy. Also, Mary andGeorge take a trip with Coach Wilkins and his wife, andGeorgie freaks out when his girlfriend thinks she's pregnant.
When the ":Captain Trips": flu epidemic wipes outmore than 99% of the population, the remaining few immune tothe disease, including Stu Redman, Frannie Goldsmith, andHarold Lauder, set out in search of other survivors, all thewhile, experiencing visions of the nurturing Mother Abagailand the menacing figure of The Dark Man.
After Ben recommends Wade for a job on the same work site he'son, they are surprised by their wildly different professionalstyles. Also, Delia is struggling to not be so judgmentalabout how Michelle is raising her kids.
Grey Sloan Memorial faces new pressures as Seattle Pres isoverloaded, and Grey Sloan Memorial is now on surge capacityprotocol. Meanwhile, Owen and Amelia are faced with one of themost controversial surgeries of their careers.
Bonnie is concerned about Adam's safety when he decides to goskiing for the first time since his accident. Also, Tammyworries that Jill is sending the wrong message to the younggirls they're mentoring.
Eddie's injuries put a strain on his marriage as he secretlycontinues to manage the pain from the accident. Meanwhile,Rome struggles with his movie and finds an ally in Shanice;and Maggie continues her journey in England as she and Jamiegrow closer than ever.
A tidal surge forces the castaways to relocate their camp.Still suspicious of the island and how they got there, Leahturns her paranoia on one of the other girls, viciouslyaccusing her of knowing more than she's letting on. Inflashback, Jeanette's astonishing backstory is unveiled.
Graham is joined by George Clooney, Michael Sheen, DavidTennant, Viola Davis and Vanessa Kirby, and Michael Ball andAlfie Boe perform Have Yourself a Merry Little Christmas.
With morale at an all-time low, Elliot takes it upon himselfto rally the group with a team-building exercise involvingusing a high-tech camera to make a movie.
When Russ is kidnapped, Mac and the team must break out apreviously murderous psychopath, now pacifist, from prison tohelp find him. Also, while on the run, Mac and Desi areforced to confront their relationship issues.