When a serial rapist is on the loose, Captain Conrad orders Gideon and Murphy to find the perpetrator before there are any more victims. However, after Gideon's new technology fails to prove helpful for the case, the team is forced to turn to an unexpected ally for help. Meanwhile, Ada struggles with a threatening part of her past and worries that if it resurfaces, it may be harmful.

When Gideon is blamed for recent terrorist attacks, he and Captain Conrad work fast to track down the real culprit. But Gideon finds himself in a predicament, when Danny continues to use his technological skills to disrupt the city, leaving Murphy, Ada and the rest of the squad struggling to find a way to stop him.