A group of senior high school students invent a new mobile app called “Caught in the Act” as part of their school project. The crime-stopping app allows onlookers to report crimes happening in their campus and in their community. While testing the app, they get to witness a crime committed by a syndicate.

One strange night in a convenience store, a cashier extends her services to an unusual customer wandering around. Strangely enough, she finds herself resonating with the customer as their conversations fall deeper and become more personal.