After four years dormant, a serial killer known as The Austin Arsonist, famous for trapping his victims in abandoned buildings to be burned alive, resurfaces in Austin, taunting both the 126 and the Austin PD to play his game. However, when things get personal, and he targets TK Strand as his next victim, it becomes a race against time for Carlos and the 126. Find out who the killer is and rescue TK, or lose him forever. (Cross posted from AO3 where my username is Skaboom).