It was Nighttime underwater, where some nocturnal creatures swim around and minding their own buissness; however, little did they know that there was a "serial killer" in the abyss that has been responsible for 420 deaths, 50 injured, and 80 missing people.

In the Abyss, There was a Andeddoseiren named Jahi who was on the hunt for prey before she finds a fish and swims by it as if she wasn't going to harm it, little did the fish know what was going to happen to it was too late to realise