Celia and Alan consider a civil marriage ceremony at a medieval hall near Halifax. Their visit to check it out proves eventful: They're caught in a thunderstorm and locked inside the ancient building. Gillian's vehicle also catches fire.
Gillian and Caroline face a spate of problems related to their children and partners. At Alan and Celia's engagement party, for instance, Gillian's son Raff is arrested for assaulting her much-younger lover, Paul.
The comedy-drama about childhood sweethearts who reunite after 60 years apart, and the deaths of their spouses, opens with Alan (Derek Jacobi) and Celia (Anne Reid) reconnecting via Facebook, and then stranded while on a date when his car is stolen.