Tato série sleduje dvě ženy, které se postaví proti temnotě číhající ve společnosti. Jedna z nich je nezávislá konzultantka, která se specializuje na pronásledovatele, zatímco druhá je agentkou FBI. Společně se v ulicích Los Angeles pouštějí do boje proti zločinu a chrání nevinné. Jejich odhodlání a odlišné přístupy tvoří napínavé duo.
Working alone, Abby Sinclair hunts stalkers, infiltrating their lives, uncovering their dark desires, and bringing them down, and her new prey is her next-door neighbor, Raymond Hickle, whose twisted obsession with a beautiful TV news anchor is about to explode.
Three years after the serial killer Mobius murdered FBI agent Tess McCullum's lover, he resurfaces in Los Angeles with a chemical nerve weapon that could kill thousands, and Tess is determined to do whatever it takes to stop him.
Tess McCallum, a skilled FBI agent, is reluctantly paired with a new partner while pursuing a ruthless kidnapper known as the "Rain Man." This criminal traps victims in Los Angeles' storm drain system, demanding ransom payments from the city. Meanwhile, Abby Sinclair, a freelance security expert with a knack for unconventional methods, is also on the case, aiding a potential target who distrusts law enforcement. As a rainstorm looms and time runs out, the duo must collaborate to unravel the mystery and save lives in a gripping tale filled with suspense and unexpected twists.