The Inspectors investigate a synthetic opioid case when one of their own accidentally comes into contact with a dangerous substance. Meanwhile, Veronica is worried about an upcoming chemistry exam, and her study partner offers her a boost that he thinks could help.

A witness to a bank robbery receives threatening letters in the mail and the Inspectors investigate to find the culprit. Meanwhile, Veronica and Noah are contestants on a college game show to determine who knows Preston more.