Now back on active duty, DHS Agent Liz Carver tracks a murder suspect, the notorious white-supremacist Cole Thorpe, to Canada. Kessler assigns Gray to infiltrate Thorpe's British Columbia-based neo-Nazi operation. Carver still blames Gray for the 'Ndrangheta debacle and her own injuries. When Gray learns the neo-Nazis are planning a devastating act of racial terrorism, Carver must work with him to stop it.