Beth is a mysterious character present in only 3 episodes.
She is a burn victim from before her puberty, who has body image problems and is sent by her parents at the resort for 24 hours to try and feel better about her scars.
She bonds with Julie in the process, but then leaves and never comes back.
How did they become a naturist or what is their relation to naturism?
She tried naturism only to see if it could help her with her self-image issues, and leaves without providing a conclusion.