After another aborted attempt at sex with Fola, Zack impulsively buys some Viagra at the chemists and bumps into Esther. After their prescriptions get mixed up, Zack is embarrassed to realise that Esther will discover what he bought.

As Zack tries to process what he witnessed the night before, Josh and Fola try to agree the rules for their clandestine relationship, only for Josh to unknowingly break them straight away... Meanwhile Esther is planning her ten-year school reunion and is excited to catch-up with some long-lost friends.

Esther’s school reunion goes disastrously wrong as she is forced to face some difficult home-truths about her life and the decisions she’s made. After an encounter with an ex-boyfriend Fola turns to Josh for help and moral support.