Sally's been living a comfortable but crushingly dull life with her partner of 10 years, David. When David makes a poorly timed and feebly executed attempt at a proposal, it sparks in her a personal crisis.
Emma and Sally are officially an item. Sort of. It's Sally's birthday and her parents are coming for dinner, but Sally is unsure of how to broach the subject of Emma to her very straight-laced, church-going mum and dad. Emma - much less so.