Tyler Jacob Moore

Firehouse 51 helps Herrmann put on a school fundraiser; Carver's troubled brother comes to town; a grateful citizen is determined to thank Brett and Severide for saving his life.

In Boise, an internet predator is using social networking sites to stalk potential victims.

Emily shocks Jack with her tactics as dire circumstances lead her to take extreme measures against both those closest to her and the Graysons. A camera captures a confession and the authorities take action.

Jimmy Palmer becomes the target of a killer who only he can recognise.

Monica's return to the family wreaks havoc on the Gallagher clan, leaving the children determined to find out if Frank is their real father. Meanwhile, Fiona moves in with Steve next door.

When Frank goes out on a Friday night, he disappears and misses cashing his disability check. He wakes up in Toronto, but has no recollection of what happened.