Sean investigates a mysterious break-in at the city archives where nothing has been stolen.
Following his break-up with Carolyn, Patrick moves in at the fire station. Meanwhile, Carolyn fears going to her High School reunion without a husband.
Annie and Sean's families all gather for a Thanksgiving dinner and it's confrontation time as endless repressed conflicts finally surface.
Fiona discovers a lump in her breast and must hurry to the hospital for an operation...