Bright lights, fear city: In Time Square, 1979, police stumble on a fiery "hotel room from hell" housing the bodies of two women.

After another grisly murder, officers talk to sex workers and examine their clients' records. Meanwhile, eerily similar killings occur in New Jersey.

Days after a woman's harrowing escape, NJ police build a case. NYC officers connect the dots as trophies come to light. A daughter looks for closure.