Kevin Gudahl

Cruz comes under investigation when Firehouse 51 and Truck 66 collide, placing Molina in a critical condition.

A new recruit causes rumbles around Firehouse 51. Plus, Mills goes to desperate lengths to prove he's over his vertigo.

Lucious must play nice with Jeff Kingsley to get girl group TBD back on the map. Jamal grows frustrated with Cookie when she tries to steal his artist, and Andre works with the mother of one of his old inmates to help free her innocent son.