Ignoring the advice of her friends and co-workers, Mary dates a man seven years younger than herself.
An armored-car robbery nets a long sought political radical and everyone tries a new takeout Chinese restaurant.
Diana stalks a serial killer of ex-tunnel dwellers; Father reunites with a former love (Fionnula Flanagan).
Grieving Vincent retreats to a deep cavern; Joe begins an investigation into Catherine's murder; Detective Diana Bennett probes Catherine's death.