Mitch and Amanda listen as a man says his invention was stolen by a patent assistance company. The team investigate and meet a very smooth Eric King. Preston worries about his grade after his mom breaks up with Professor Price.
Science teacher Olive is bitten by a poisonous snake sent in mail. Amanda and Mitch learn her reputation as a tough grader leaves many suspects including Noah. Pres bonds with Kendall who loves archery and is in a wheelchair making Veronica jealous.
When a hospital has private information stolen the use of mail to ask for money bring Mitch and Amanda onto the case. A new employee has the computer skills to help them. Veronica is nervous when auditioning for a weather reporting position.
When a postal carrier is brutally assaulted by a gang Mitch and Amanda are assigned to the case. Preston assists his dad's friend Joel in reviewing camera footage. Veronica seeks to help troubled student Jimmy in her new advising position.
Mitch and Amanda are brought in when mailboxes are being destroyed. They focus on a fraternity in the belief it was a a pledge prank but also retaliatory in nature. Preston is bullied at his new gym and fights back which gets him banished.
Mitch's niece Sam visits and notices Amanda's pricey birthday gift is a knockoff. Since it was a postal delivery Mitch and Amanda investigate. Preston and his friends are suspicious of Sam's behavior especially when a necklace goes missing.
Mitch and Amanda work on a case of a predator using the postal system to meet underage girls. Sam is annoyed by her Uncle Mitch's protectiveness but Preston learns it's necessary as she's meeting a stranger she met online.
Mitch and Amanda use tracking devices and surveillance to bust a gang stealing packages off front porches. Veronica, Noah, and Preston find a letter from 1962 and decide to locate the recipient as part of Operation Santa.
The publisher of a newspaper is kidnapped and the demands are sent through the mail. That brings Amanda and partner Eric on the case where they try to find which recent story made someone take such drastic action.
Amanda mentors a visiting inspector Eric Lin as they solve a case involving postal box robberies. Preston, Noah, and Veronica travel to West Virginia to ask the band 21 Monkeys to play a benefit concert but Noah's shortcut becomes a bad idea.
A clueless housewife accepts deliveries of illegal goods leading Amanda and Eric to enlist her help. But Chloe surprises the agents in her savvy while wearing a wire. Veronica gets her feelings hurt by Preston when he posts a meme about her.
Renowned opera singer Isabella Novak receives a threat through the mail putting Amanda and Mitch on the case. A lip imprint may be the break they need. Preston ignores Veronica's no Valentine gift request leaving her scrambling for one.
Mitch and Amanda head to Jamaica working with local police to catch a postal scammer that they've been after. Veronica wants to win a charity drive contest leading her to put Preston and Noah against each other.
Noah doesn't believe his classes at Jamestown are preparing him for his future as a filmmaker. He drops out to attend an expensive art school not knowing Amanda and Mitch are investigating the institution for mail fraud.
Preston is staying at an uncle's NYC condo that is subject to sporadic power. Having viewed a Hitchcock classic he entertains himself by watching other apartments. But after witnessing a check washing operation his life becomes endangered.
Postal employee Ray (Brian Clackley) alerts Mitch and Amanda that Veronica's grandmother Marisol is sending large amounts of cash to an unknown person. She has also become forgetful which the family learns after her bank account has been drained.
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.
Mitch, with his military background, takes personally a scam concerning veteran's funerals. Amanda with Mitch tracks the man taking the family's funds. Newly widowed Grampa Waldman is upset when Noah's girlfriend joins them for a family event.
A robbery witness is threatened about testifying through the mail, involving the inspectors. A partial fingerprint may help break the case. Preston and Veronica participate in a charity event revealing truths about their relationship.
The Inspectors go the coast to help with hurricane recovery; Preston, Noah and Veronica volunteer in an emergency shelter; Preston is pushed to his limit when h ventures off alone to find a missing girl.
When a man is set free the crime is considered a cold case. Amanda decides to look at the evidence. Preston is on the Honor Council at Jamestown and they must determine if a student should be suspended but that person is Veronica.
In this look back on season three, Charmin Lee (Dr. Georgia Darby) takes us through a catfishing case that hits close to home when Mitch's niece, Sam, might be involved.
In this look back on season three, Charmin Lee (Dr. Georgia Darby) guides us through a case that the Inspectors investigated after Veronica's grandmother becomes the victim of a foreign lottery scam.
In this look back on season three, Charmin Lee (Dr. Georgia Darby) guides us through an unusual case that the Inspectors investigated involving hazardous materials sent through the mail.
