Almost two million Brits took a cruise last year. For many, it's the holiday of a lifetime with hard-earned savings going in to a dream adventure. Channel 4 Dispatches goes undercover to investigate the reality of life below deck for the multi-national workforce who toil behind the scenes of glamorous ocean going holidays. The cruise industry generates billions of pounds in revenue each year and working on a ship provides many people from around the world a much needed source of income. However Dispatches reporter Tazeen Ahmad - travelling as a passenger on a European cruise, alongside an undercover reporter working as an assistant waiter - discover working conditions below the legal minimum in the UK.