One year after Ryan Hardy's pursuit of serial killer Joe Carroll, a healthy and healed Ryan is living in New York City. On the surface, it appears Ryan's gotten his life back together. But deep down, his obsession with Joe continues to grow. Then, on the anniversary of Joe's death, a new murderous rampage leaves everyone shocked and determined to discover the truth.

After the tragic subway killings, Ryan’s obsession with the case becomes stronger than ever. Soon, mysterious phone calls bring him face-to-face with what may be his biggest threat yet. Meanwhile, revelations surrounding Joe’s new life are brought to the surface.