 Kate is getting married to boyfriend Dave and takes off for a hen weekend with three of her friends. Kate, Dawn, Becky and Jo take their car down to the coast with an envelope full of money to waste. However when Jo loses the money the group go to a holiday camp to blag a caravan for a few days. At the camp Kate meets an old flame, Tim, who lets them stay in a tiny caravan for free. During a drunken game of truth or dare, Kate discovers that all of her friends have slept with Dave at one time or another. Turning to Tim for comfort sparks even more problems as she tries to get past the past.