Bar examination
Kai and Stefan are two friends who own a gourmet pizza delivery business as a front for selling cannabis. Stefan is finishing law school and preparing to take the Bar examination to become a lawyer under the behest of his father, who is a judge. They visit their outdoor cannabis growing operation only to discover that aphids are destroying their plants. They visit a head shop and meet Achim, who informs them that he knows how to get rid of aphids, handing them a tub full of "Aphidoletes aphidimyza". However, unbeknownst to the protagonists, Achim is an undercover police officer.