Deep beneath the waves that lap at the Jersey Shore boardwalk, a local land crab finds unexpected love with a sea crab who stops by the Shore on holiday. However, they soon realize that their blossoming romance may be imperiled by their judgemental friends and family, who cannot see eye-to-eye on the union. Yet a tropical storm soon separates the unlikely couple from their families, allowing them to embark on a no-holds-barred adventure.