'Blue Bloods' - 09/28/2018 (Photo Gallery)

In the season nine premiere episode entitled "Playing With Fire," Danny (Donnie Wahlberg, pictured) takes on a personal case involving a drug cartel member, Louis Delgado (Lou Diamond Phillips, pictured), who Danny believes is responsible for torching his house, and Erin (Bridget Moynahan, pictured)is given a promotion in the DA's office but finds herself in a challenging situation when both Danny and Jamie ask her for help with their investigations. Also, Frank and Jaime have a disagreement when Jamie refuses to stop riding with Eddie.