Chicago Fire

(4) WNBC (30) WVIT 9 p.m.

Boden (Eamonn Walker) and Severide (Taylor Kinney) look into a fire at a hair salon to determine whether it was caused by arson in this new episode. Herrmann (David Eigenberg), Otis (Yuri Sardarov) and Mouch (Christian Stolte) make a surprising discovery.