Pet Shop of Horrors Season 1 Episode 2

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The popular idol singer Evangeline Blue and her manager Jason are about to be wed on a luxury ship when Evangeline "accidentally" falls overboard, her body never to be found. The heartbroken Jason travels to Count D's to pick up a pet that Eva had supposedly ordered. But to his surprise, the pet turns out to be a very large rare species of a Fish. But looks like a mermaid who looks exactly like Eva.