Toby and Dev investigate a serial killer who leaves live snakes with his victims, echoing the calling card of a past culprit who Michelle had previously put behind bars. Meanwhile, Michelle is trying to enjoy her maternity leave with her new baby girl and husband Adam but when her credibility is doubted with the suggestion that she may have arrested the wrong suspect, she must return to the IIB in order to save her professional reputation.

A former IIB colleague returns and ends up jeopardizing the team's success.

Toby and the IIB team investigate the abduction of a ballerina after Tia tips them to corruption at a dance company.

While the team investigates a botched magic stunt that killed an investment guru, Becker’s scrutiny of Toby threatens to expose his secret.

On the eve of his new video game release, Dev's former friend is murdered.

Toby faces a mentally unstable suspect in the murder investigation of a psychiatrist.

The team investigates the murder of a cooking show contestant, poisoned on live television.

The team must find a treasure in order to solve the murder of a man responsible for a coin heist.

While investigating the murder of a billionaire playboy, Toby's curiosities about his family arise.

After being drugged, Toby is implicated in an armed kidnapping.

Toby goes under cover when he believes an innocent man is taking the fall for a murder.

Becker's involvement in a criminal conspiracy sparks an investigation by Toby, Michelle and Dev.