The play wot I haven't quite written yet

Month 4 of the play-writing course that I’ve signed up to, and homework is to write a pitch for a play. Yikes. The vague idea I have of what I’d like to write involves a couple celebrating their engagement after a whirlwind romance. It’s a meet-the-parents sort of drinks thing that gradually unravels as family secrets are revealed. Hopefully it’ll be a bit funny, a bit excruciating and not at all shouty…