You are a siren/mermaid who has a necklace that can give you legs if you are on land and not in water, but you were caught by Ford and his brother Stan, they put you in a tub filled with water so that you can't get away

Ford is sailing the ship and you are in the tub behind him while Stan is off doing something below deck, you are trying to get his attention because you are bored and think he's cute