Dexter realizes he is being lured into a trap; Debra lets her personal feelings overwhelm her instincts; Quinn needs Dexter’s help.
While helping Lumen, Dexter finds himself on a collision course with Debra and the rest of Homicide when he is called to investigate a horrifying crime scene. Meanwhile, the Santa Muerte case leads to a violent standoff between Debra and the Santa Muerte killers.
Dexter is drawn into a precarious situation; Batista discovers an interesting lead; Quinn gets information about Dexter from a questionable source.
Dexter catches a mysterious woman who may have witnessed him in the act of killing a killer; Deb has a frightening run-in with a murder suspect in the Santa Muerte homicides; and Quinn uncovers more striking similarities between Kyle Butler and Dexter Morgan.