Emily Rodriguez, a recently-retired FBI Agent, is contacted by an old friend, Joanna to help her find her missing daughter, Brit. As Emily begins the search, she quickly finds herself deep in a terrorism plot that could endanger hundreds of lives. As tensions rise, so does the body count as Emily discovers someone is killing members of the fledgling domestic terrorism group, W.A.R. Emily struggles through a tangled web as she searches for Brit and the killer, all the while doing her best to keep her own family from falling apart in the process.