When Cynthia Ren's crime syndicate returns; it's up to Amanda and Mitch to figure out how to stop the fraud; the woman responsible for Preston's father's death is getting of prison.
Mitch and Amanda learn of a double billing fraud involving patient's insurance that lead to excessive payments. While working the case they discover Preston may be one of those victimized.
A grocery store that deals with a high volume of postal orders is robbed. Mitch and Amanda are on the case but find themselves following false clues. Preston and Veronica fall asleep during Noah's play but are afraid to tell him.
Amanda and Mitch find out there are instructional facilities that teach college students how to commit scams. In order to break the case they receive unexpected help from Noah.
After a post office branch is held up Amanda and Mitch are determined to solve the case. Preston and Veronica help Noah out when he enter a tournament involving his favorite game Shields and Potions.
Amanda and Mitch take on a case of a holiday charity misrepresenting where the donations are being used. Preston and his friends agree to dog sit a puppy but suspect the owner of bad treatment of the canine.
Mitch and Amanda are on the case after several mailboxes are rigged to explode. Noah is going through a series of life changing experiences with Preston and Veronica being supportive of their friend.
A dangerous chemical is part of a postal shipment of makeup which put Amanda and Mitche on the case. Preston and Veronica join Noah to help out his aunt but encounter trouble that leaves them tied up.
Endangered turtles are being sent through the mail leading to an investigation by Mitch and Amanda. Pres and his pals head off for vacation but Preston becomes jealous because of Veronica's new boyfriend.
After a hurricane hits the Gulf Coast, scammers start to circle a small town in Alabama. This hits home for the Inspectors, when one of their own becomes a victim. Meanwhile, Veronica starts to date a know-it-all trivia host, and enlists Preston to help her with her relationship. But is it too soon after their own breakup for Preston to give Veronica dating advice?
After a young student is bullied at a local middle school, the inspectors investigate when the school finds that there is more to it than hurtful words. Also, Veronica realizes her new boyfriend isn't who he seems.
A major jewelry robbery occurs at the airport with Amanda and Mitch being called in to find the stolen diamonds. Veronica is having a rough time getting over her latest breakup, Preston and Noah attempt to help her out of her funk.
Amanda and Mitch take jobs at a cafe to try and apprehend a crime family suspected in a jewel robbery. Noah is eager to take on a escape room challenge, persuading Pres and Veronica to join him in the experience.
Amanda and Mitch find themselves pursuing an unusual case when a young girl is exposed to a deadly toxin. Preston is excited to volunteer for a political campaign until his assignment is to watch the candidate's son.
A college student who rigged an acidic package has immediate regrets so comes to Amanda and Mitch for assistance. Preston joins a dating site but knows his photo could mislead prospective dates.
Mitch and Amanda head to Los Angeles to assist in a show about postal inspectors. Veronica trusts boyfriend Preston to watch her new dog but when he loses the pet, panic sets in.
Amanda, Mitch and Georgia rush to the courthouse to put away a longtime nemesis; the gang gets ready for graduation and has a hard time saying goodbye.
