On her wedding day, Andy's world was swallowed by the sea after a horrific car accident. Rescued by coastal residents but suffering from total amnesia, she lives as a humble stranger. Fate brings her husband back into her life, but he mistakes the amnesiac Andy for a mere 'White Moonlight' stand-in for his lost bride. Andy must navigate a world of misunderstandings and corporate treachery to reclaim her memories and her place as his true wife. In this underdog struggle, she discovers that some fated bonds can never be washed away by the tide. Will they recognize each other before their enemies finish the job?