Riptide follows Alison, whose life is plunged into despair when her new Australian husband vanishes after a morning surf. It quickly becomes obvious there is more to the story than meets the eye as she sets out to investigate his disappearance.
The show spans the genres of romance, science fiction, history, and adventure. It follows Claire, a married WWII combat nurse, who mistakenly steps back in time to year 1743 where she is immediately thrown into an unknown world of adventure that sends her on the run and threatens her life.
Set in Northern New South Wales in the period following World War II, the show follows Sarah Adams, who has returned to Australia after twenty years abroad to start a new life and ends up clashing with wealthy matriarch Elizabeth Bligh.