Michelle's shoots and kills a suspect both she and her father had been pursuing and, when no gun is found on the body or anywhere at the scene, the subsequent Internal Affairs investigation jeopardizes her career.
Tommy, a longtime friend of Oz, asks for his help after witnessing a murder and inadvertently ends up putting both their lives in danger.
Also, Oz successfully completes the supervisor training program.
Toby and Michelle look into an array of violent home break-ins, which are being interrupted by a vigilante citizen dressed as a superhero.
When three patients in Emergency suffer similar life-threatening symptoms, Olivia places the hospital on lock-down. As patients begin dying, Sandy and Oz assist with emergency treatments while Toby, Michelle and Dev race to find Patient Zero and a biotech firm works on an antidote. The case takes a dramatic turn for Toby when Olivia herself contracts the virus while working heroically to save as many lives as she can.moreless
During their investigation of a rich philanthropist's murder, Michelle questions Toby's insights, making even him doubt his own abilities.
Magnus Elphrenson breaks out of prison again and Toby helps Michelle recapture him before he seeks vengeance on his enemy.
When the President of Cooper-Weiss Pharmaceuticals dies and other staff get sick from a champagne toast at a celebratory dinner, IIB first looks at a group of protesters, one of whom disguised himself as a waiter and poured the drinks at the head table.
Meanwhile, Sandy surprises Oz with an early return from Africa.moreless
Special Assignments is called in when three girls disappear from the same bus stop in a period of three weeks. Suspects include members of the Heart of Artemis, a local spiritual group despised by neighbors and a sex offender who lives in the area.
Toby and Dev support Michelle in an undercover operation designed to take down an international art theft ring. Meanwhile, Oz is excited to finally have a chance to serve as Acting Supervisor in Ryder's absence.
When the son of an exiled Liberian leader and alleged war criminal is abducted and his driver shot, the team, with Alvin forcefully in the lead, is faced with a lengthy list of suspects. Meanwhile, Oz decides to write the Supervisor's Exam but can't seem to get anyone, especially an unsupportive Ryder, to take him seriously.moreless
When an aide to music superstar Jade is murdered and the IIB determines that she was the target, Toby goes undercover posing as her new assistant to ensure her safety while Sgt. McCluskey and the team work to uncover the source of the threats. Meanwhile, Oz crashes at Toby's while his apartment is cleaned up after a roof leak.moreless
Toby's first case as an IIB Special Consultant is a 10-year old cold case with a personal connection to Alvin Klein. In addition to his interest in the case, Klein's skepticism also make things challenging for Toby.
Despite Olivia's warning of dire health consequences if he continues to use his telepathic abilities, Toby chooses to use them when he is exiting a bank and bumps into a man who he reads is about to rob the institution. He returns to the bank and gets taken hostage along with several customers and staff.moreless