Last week upped the body count on Ray Donovan, with at least three corpses, by my count, revealed in the episode’s final moments. And for Ray (Liev Schreiber), there’s more death and danger on the horizon, and we’re still tracking, in flashbacks, the cancer-riddled descent of his wife, Abby, a story line that has been emotionally wrenching this season. And that goes for the show’s viewers as well as its characters.