Looking for alligators in the sewers of New York City seems like a silly idea to Gabe Brown, but his brother is the creator of internet series, Discover Cryptids, so the filming crew sets out to explore the storm sewers--but when one of them panics, they get separated and lost.

They were seven teenagers when they first stumbled upon the horror. Now they were grown-up men and women who had gone out into the big world to gain success and happiness. But none of them could withstand the force that drew them back to Derry, Maine, to face the nightmare without an end, and the evil without a name.

When Stan's pet chameleon, Fluffy, who was accidentally flushed down the toilet by Stan's dog, encounters a growth formula flushed by mad scientist Doctor Rrhea, disaster follows and only Stan, with his best friend Larry, can save the day.