Sad news inspires Alan and Celia to have another wedding ceremony attended by all of their family and friends. Caroline whisks Kate off on a romantic weekend, but a disagreement threatens to end the relationship. Just as Gillian and Robbie are back on friendlier terms, a revelation from Judith changes everything.
Last Tango in Halifax II, Pt. 4 airs on Sunday, July 20th at 7 pm on channels 3 and 3-1.