Back to the 80s: My Smartphone Changes Everything - Episode 6

A man named Carl uses his smartphone to research historical market prices before selling his grandfather's ration coupons at a black market. A tough trader named Jack tries to lowball him, but Carl confidently demands his asking price, revealing he knows the true value. After securing the cash, Jack warns Carl that Market Administration officers are approaching, targeting newcomers. As Jack flees, the officers spot Carl and order him to stop, leaving his fate uncertain.