Riverdale: Season five saw the teens go to prom and graduate. (Image: THE CW)
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Jughead is writing a book about the people of Riverdale and during his research, he found out about the myth of the Moth Man.
This was a creature, most likely an alien, which took a group of men but several years after they had been returned, they all died of cancer.
Meanwhile, Betty s sister Polly Cooper (Tiera Skovbye) has gone missing and during her investigation, the FBI trainee found out she wasn t the only one.
Women had gone missing when they ve been on The Lonely Highway so it is believed there could be a serial killer on the loose.