After an alcohol-fuelled night Janet summons up the courage to confess she's been keeping a secret from her dearest friends Melissa, Clara and Melanie. A secret so huge that it threatens to destroy their close knit group. But, when someone else has a confession of her own, the tables are turned and the friendship is torn apart. Can their friendships recover from the hurt and deceit? Until each person admits to secrets of their own it may be their last ever Girls' Night In.