That movie was also about a lonely atheist who tries to seduce a sexy Catholic priest – and let's be honesy: there aren't that many movies or TV series with that plot.
https://www.youtube.com/watch?v=c39KB2sm9x8Video can't be loaded because JavaScript is disabled: Fleabag Series Season 2 Trailer for BBC starring Phoebe Waller-Bridge (https://www.youtube.com/watch?v=c39KB2sm9x8)
Leon Morin, Priest was adapted from[...]