Claire tries to tarnish Frank’s legacy. Doug provokes Claire by releasing excerpts from Frank’s diary. A rift develops between the Shepherds.

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.

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…