Linda is out on her hen night while her fiance Dave is out on his stag night. Linda is having major doubts about getting married. Both groups end up at the same club, only to discover that its band is fronted by her ex-boyfriend - and the love of her life - Peter. Linda has to decide: does she stay and settle down with Dave, like her friends want her to, or does she chuck it all in and run away with Peter?

The 20 January 1931 slaying of Julia Wallace remains unsolved, despite an ongoing stream of investigative writers giving an impression that a solution to the crime has been found through a surfeit of working hypotheses.