Ruby has always been the generous mediator among her friends, family and colleagues, which is why they’ve all turned up to celebrate her 50th birthday.

But after too many glasses of champers, Ruby takes her moment in the spotlight to reveal what she really thinks of every one of them. She accuses her husband of having an affair and lambasts her mother for a lifetime of playing her three daughters against each other – it’s blisteringly brutal.

As the stunned gathering gawks at Ruby, the birthday girl reveals that she has terminal cancer, and has cashed in her life savings to take her two estranged sisters cruising into the sunset for a dose of HRT – Husband Replacement Therapy. But is Ruby being courageous or ruthlessly selfish?