On the anniversary of her mother's death, a grieving Lilo fails her exams and lashes out at her distracted father. Seeking validation, she stumbles into infamy by creating a malicious gossip blog under a pseudonym, quickly becoming the paid, slanderous influencer "Venom." As she plans her 18th birthday party with her ill-gotten gains, her online crimes threaten to destroy her fragile family just as a victim arrives seeking revenge.