《致命交友软件》Topayforcollege,BusinessmajorTRINA(19)goeslivewithheruniquedatingwebsiteUPFRONT.UPFRONTbecomesahugesuccess,thoughTrinasoonlearnsthathersiteisbeingmisusedasaprostitutionhubandshutsitdown.Whenoneofthedatingusersfromthesiteturnsupdead,Trinalookstohernowdefunctsiteforclues,whichsomeonedoesnotwanthertouncover.