Tyler Jacob Moore

A manhunt goes out for Frank after he heads off on a Friday bender and uncharacteristically fails to show up to cash his disability check.

Dire circumstances lead Emily to take extreme measures against both the Graysons and those closest to her, leaving Jack shocked at her tactics.

Now that Fiona has a steady job and Lip is enrolled in college, it looks like the Gallaghers may have a shot at happiness - but when you're down and out, moving up isn't so easy.

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.

A family emergency brings Charlotte and Cooper closer together, while Violet plays a dangerous game with Pete and Sheldon.

The town blames Elsa when a fatal icy spell is cast on Marian, not knowing that another resident has the same powers, and Mary Margaret struggles to balance motherhood and leading the town.