Finally! School is done and summer is here! Well, that's what the Zodiacs thought. After visiting a creepy amusement park, the Zodiacs find themselves stuck in a large elevator with an endless amount of floors. That might sound horrifying, but a killer clown named Ophiuchus is hunting them down, one by one. The Zodiacs must escape the elevator before their time is up, or else they'll get killed.