Fleabag (Phoebe Waller-Bridge)'s father (Bill Paterson) finally decided to join his girlfriend (Olivia Colman) in the marriage hall. They invited a priest (Andrew Scott) to preside over the wedding. What everyone did not expect was that the abstinent priest and Fleabag actually had a fatal attraction. Claire (Sian Clifford) continued her marriage with Martin (Brett Gelman), even though she knew her husband was a jerk. Not only that, the two were actively preparing for pregnancy and planned to have a child. The appearance of the priest made Fleabag finally begin to face up to the various problems in her life. At the same time, in the face of a relationship that is doomed to have no results, what choice would Fleabag make?