Reclusive freelance tech worker Franklin (David Wayman) lives with his girlfriend Candida (Sian Altman). When Candida goes out of town, Franklin downloads a hookup app called "Smasher" and connects with a mysterious woman named Atlanta (May Kelly). After a passionate encounter, Atlanta vanishes, sparking an obsession in Franklin to track her down. He enlists his best friend Brandon (Ocean M. Harris), unaware that Brandon is secretly having an affair with Candida. When Candida discovers Franklin's infidelity, her own search for the missing woman leads her into an underground world of cam-girls, digital impersonation, and sadomasochism.