Ryan and her team are alerted to a new cyber threat when they discover that arsonists have a new, less traceable way to start fires in homes – by hacking into the owners’ printers and laptops via a software patch.

The Cyber team must track down a bomber fixated on revealing the “truth” about society’s overreliance on technology.

Avery and her team investigate the murder of a woman whose electronic devices indicate that she was alive for three days after her official time of death.

The Cyber team investigates when a high school victim of intense cyberbullying by her classmates pledges to retaliate.

The cyber team investigates the abductions of young women whose social network pages are being kept up to date. Also, Ryan helps Trish McCarthy cope with the death of Trish’s sister, Ryan’s former psych patient.

The cyber crime team investigates when nine planes that departed from the same airport face a coordinated Wi-Fi attack while in flight.

Special Agent Avery Ryan and her team investigate when a man dies after taking medication he purchased from a hacked ad on a medical website.

The cyber team tracks a killer who hacks into a popular online game and tricks gamers into delivering illegal weapons.

Avery and the team investigate when a power outage in Detroit is used to mask a jewelry store robbery-homicide in which the jewels weren’t the target.

Avery confronts the hacker who released her patients’ information when she was a psychologist, and Krumitz confronts the man who murdered his parents.