Molly Bennett and Nellie McDonough are very happy with their lot in life Their rock-solid friendship has lasted over twenty years, through good times and bad, and never once have Molly and Nellie fallen out The two best mates love a bit of excitement so when they learn there is a wedding in the offing which will bring the Bennett, McDonough and Corkhill families even closer it gives the intrepid pair a good reason to save up for a visit into Liverpool and to the shop selling wedding hats