It's Hector's 40th birthday and friends and family gather at his house for a BBQ. But in amongst the celebrations one of the guests slaps a child that is not his own. No-one can see it at the time but this single act begins to unravel the social fabric which once linked them all together.

In the days and weeks after the slap Anouk discovers that the incident has unleashed unexpected responses from those around her. She is torn between her friendships and her beliefs and faces decisions about her own life which threaten to overwhelm her.