Complex sentence: Byron is killed right as he is about to arrest the mayor, and Byron's son Hunter, a former student, teams up with Annalisa and the Brotherhood, a group of honest cops, to bring down Rolf.
Split into simpler sentences: Byron is killed right as he is about to arrest the mayor. So Byron's son, Hunter, a former student, teams up with Annalisa and the Brotherhood, a group of honest cops, to bring down Rolf.