Doctor Michelle Burton, a divorced psychologist, specializes in the treatment of wayward teenagers and aspires to bring a sense of morality into their lives.
During therapy, one of Michelle’s patients, Amanda, reveals that she and her college friends all use dating apps for promiscuous sex. When Amanda’s best friend becomes the victim of a grisly murder, she returns to Michelle and begs for help.
Suspicious there is a clue to the killer’s identity in the dating app, Michelle takes matters into her own hands. Michelle must discover the killer’s identity as more teenagers become victims of the dating app they have nicknamed a “psycho-swipe”.