A hacker compromises the hospital’s computer system, causing monitors, phones, labs and patient files to all go down. As technology fails them, Bailey attempts to keep the peace but chaos erupts and the doctors are forced to get creative in their methods to treat the patients.

Jo finally faces her estranged, abusive husband Paul Stadler, while Grey Sloan continues to work with the FBI after a hacker has compromised the hospital’s computer system.

Alex tries desperately to save his patient Gus while he waits for a severely agoraphobic blood donor to arrive from London. Jo reveals to Meredith why she’s been so down, while Catherine and Bailey hold a meeting to get down to the bottom of an insurance issue. Meanwhile, Maggie and Jackson go camping.

Jo becomes a safe haven volunteer and gets a call that a baby has been dropped off at Station 19. Meanwhile, Meredith moves forward with her life after facing the medical board. Jackson takes a big step in his budding romance with Vic, while Bailey and Amelia swap pregnancy updates.

Meredith and Carina question DeLuca’s uncharacteristic behavior when he volunteers to perform a life-threatening task during a blizzard. Meanwhile, Bailey tries to help Joey with his future, while Richard trains a new intern at the hospital.

Link tries to convince Amelia to take it easy during the final stage of her pregnancy. Hayes asks Meredith a surprising question, and Owen makes a shocking discovery.

Grey Sloan Memorial faces new pressures as Seattle Pres is overloaded, and Grey Sloan Memorial is now on surge capacity protocol. Meanwhile, Owen and Amelia are faced with one of the most controversial surgeries of their careers.

As the city of Seattle revels at the Phoenix Fair celebrating the city’s rebirth post-COVID, the Grey Sloan doctors treat a patient who encounters illegal fireworks. Meanwhile, Bailey has her sights set on hiring new doctors, but she’s having trouble finding viable options. Owen and Teddy attempt to take the next step in their engagement, and Meredith has a surprising opportunity when she meets a dynamic doctor from her mother‘s past.

The crossover starts on Station 19 S05E01 Phoenix from the Flame (I).

A former patient of Link’s, Simon, is in the ER with his pregnant wife; and Bailey receives an offer from Nick.

Simone is met with a life-changing decision upon the return of someone from her past. Blue shadows Maggie on a risky procedure, while Jo and Link tend to a pregnant woman. At the intern house, Lucas and Mika throw a party filled with surprises.