Sara is about to turn 40, and life is not as she imagined it would be. Whether it's making urgent funeral arrangements for a dead cat, lying about her personal life to placate her anxious mother, or getting into trouble with a netball referee, Sara's life is reaching tipping point and something's got to give. Much to Sara's dismay, it seems her friends are arranging a 'surprise' birthday party, but what she doesn't know is that they're about to set her a dramatic ultimatum.

Sara embarks on her course of life coaching with the eccentric Toria, but a hypnosis session has some unfortunate consequences for Justine. Daniel is feeling undervalued at work, and a disagreement with Sara turns into a full-blown vendetta on the paintball battlefield. And Sara's offer to help a distressed woman in a custody battle for her dog, leads Sara to meet Dutch action hero Kip Schwitzendorf.

Sara's ex-girlfriend Sabine turns up unexpectedly, throwing Sara's life into disarray. Eve seems keen to take her relationship with Sara further but Sabine's intervention throws a spanner in the works. Jamie is having a masculinity crisis and Daniel offers to rectify this with his own unique brand of machismo.

A veterinary inspector calls at the surgery, forcing Sara to get help from an unlikely source. A Russian woman gives Sara an ultimatum to arouse her dog and Daniel spends some quality time with the ladies.

Sara and the gang go to Toria's spooky family home, for a practice exercise in which Sara must come out to Toria's parents. Toria is forced to face her own fears, and Jamie and Justine share an intimate moment.