A last-ditch medical trial sends Ray on a dark mission in New York. Alone in LA, Abby turns to Terry and Bridget to help her make the toughest decision of her life.

With Ray’s work on Anita’s campaign getting in his way, Mac lays all of his cards on the table. Knowing what his friend is facing, Ray must choose where his loyalty lies. Terry and Daryll bring Bunchy home to Boston to get in touch with their roots. Mickey considers the great white north.