Ven, Roz, Olive and Frankie have been friends since school. They day-dreamed of glorious futures, full of riches, romance and fabulous jobs. The world would be their oyster.

Twenty-five years later, Olive cleans other people's houses to support her lazy, out-of-work husband and his ailing mother. Roz cannot show her kind, caring husband Manus any love because her philandering ex has left her trust in shreds. And she and Frankie have fallen out big time.

But Ven is determined to reunite her friends and realise the dream they had of taking a cruise before they hit forty. Before they know it, the four of them are far from home, on the high seas. Can blue skies, hot sun and sixteen days of luxury and indulgence change their outlook on life?