A year after the Viper's defeat, Derek Willows and Howard Lance struggle to adjust to life away from crime fighting.
When Mayor Johnson is found dead, and images from the scene show the Dead Man standing over his deceased body, the eye of suspicion rests on the former heroes - jolting them out of their security and challenging the strength of their new friendship.
To solve the mystery of the mayor's murder and stop the rise of enemies old and new, Derek and Howard must decide whether to view each other with mistrust, or combine their efforts to save the people they love from the most dangerous threat New Angeles has ever faced.