Allison's recurring dream about two young boys racing a train is analyzed by Dr. Leonard Cardwell, but Allison soon learns that he's involved. Devalos investigates the case of a 14-year-old who confessed to murder.

The girlfriend of a convicted drug lord is killed on the night of his execution. The drug lord's ghost is seen at the crime scene, and Allison is brought in to investigate. Also, Allison discovers a dark secret about the mother of a boy that Ariel has a crush on.

After somehow seeing Capt. Kenneth Push in a vision at a murder scene, Allison calls upon his assistance to find a serial killer. However, the only way Capt. Push can help is by literally putting his life on the line.