Cathy meets Dr. Lorcan O'Brien, an old friend of Ed's.

Aisling suspends Liam after a fracas and Keelin shows up.

Julia is shocked to find her ex-husband, Harry, working as the new locum in the clinic.

Clodagh's birth mother, Carol, comes to see her with news.

Daisy's close friendship with Conor seems increasingly difficult for Adam to accept.

Cara and Liam break up when he finds out about her deception.