S4·E9 My Late Lover / Sanctuary

In ""My Late Lover"" the widow Anastasia Dexter has three perspective suitors and is flabergasted by her husband's ghostly interference with choosing one of them.

And in ""Sanctuary"" Thomas Henshaw has been poisoned for some unknown reason, and with only hours to live, searches for the identity of his killer in a place called Gull Island Rest Home a sanctuary for known criminals.