Deadly Influence: The Social Media Murders, Hashtag Halloween Horror

Self-styled Instagram 'Sex and Fitness guru' Ash builds a life in the glitz, glamour, and excess of Las Vegas. But the wild ride ends when he becomes entangled with a lonely Sin City resident who he comes to believe holds a dark energy inside.

As 28-year-old Sania battles through a divorce, her passionate and searingly honest TikToks attract tens of thousands of followers. But she soon discovers that members of her community want to silence her --, and will stop at nothing to do it.

Anime-obsessed teenager Bianca becomes an inspiring mental health advocate online — and changes lives. But on forums and social media accounts, she discovers a horrifying, and violent underbelly: young men primed to threaten, harm, and attack.

Successful teenage film reviewer Trey is building an online empire on YouTube, attracting hundreds of thousands of views. But it can't last, and soon, he finds himself dragged into a shocking world of guns, abuse, and revenge.

Meet Stephanie — a feisty, loveable young woman from New Jersey. Online, she's building a brand as a bespoke makeup, and SFX artist. But offline, her life becomes complicated and spirals into mystery when she vanishes into thin air on Halloween Eve.

A vibrant and inspiring group from Denver's creative community spreads messages of love and inclusion and attracts many online followers. Soon, they become the target of a hateful, and violent member of the online 'manosphere,' with shocking consequences.