Recently widowed Celia Dawson (Anne Reid) makes contact with Alan Buttershaw (Derek Jacobi) — an old romantic interest whom she has not seen in fifty years — on the social netowrking site Facebook. Celia's daughter Caroline (Sarah Lancashire) is surprised by the revelation, though distracted by her own romantic problems comprising her adulterous husband (Tony Gardner) and her own affair with a female colleague, Kate (Nina Sosanya). Alan and Celia meet up in Skipton, and immediately rekindle their friendship. Celia's car is later damaged in a car chase pursuit of a young man who has stolen Alan's vehicle. Caroline and Alan's daughter Gillian (Nicola Walker) clash on first encounter after rushing to collect their parents; both are shocked to discover that Alan and Celia have become engaged.