Liza J. Bennett

When a is baby kidnapped from a playground, the team discover clues that lead to a twisted case of lies, betrayal and infidelity.

A professional sceptic -- who debunked religious, paranormal and scientific phenomenon -- is murdered, revealing a possible threat to homeland security and Captain Gregson's daughter asks Watson for help with a case.

Nora takes care of some unfinished business before heading to New York for a conference. When she gets there, she discovers that someone is impersonating her and tracks down her imposter.

The Firehouse 51 crew have their work cut out for them when a tornado hits city. Also, Brett must report Chili after she makes a big mistake.

A wave of threats hit Chicago, leaving Firehouse 51 in a desperate situation. Meanwhile, Chili's behaviour continues to cause concern.

Herrmann must make a tough decision, and Casey tries to keep a tornado shelter open. Meanwhile, Brett and Dawson feel the effects of their actions.