There were many reasons Catra hated the ocean. The smell of salt water caused her nose to burn, the lack of solid ground made her sick, and there were endless opportunities to drown. Now she had a new one: Being stranded on a desert island with her worst enemies. When you're a thousand miles from dry land, there's no way to run from your problems.

Princess Prom takes an unusual turn as Catra unveils her sinister plans for Adora.