The couples take their seats at the second dinner party. One partner is left wondering if their spouse will even show up, while the honesty box exposes cracks in another marriage. However, rumours about one bride's behaviour behind closed doors spark the biggest conflict of the evening.

It's the start of In-Laws Week, and a careless comment leaves one wife's mother in tears when the family come to visit. Plus, a brand-new couple join the experiment! Hoping to find her fairy-tale happy-ever-after, a new bride is in search of her very own Prince Charming - but will his grand efforts to woo her succeed?