With Lumen by his side, Dexter is in full pursuit of his next victim. Meanwhile, Debra finds herself in some unexpected trouble from the fallout of the Santa Muerte case, forcing Batista to make a difficult decision.
A boy is kidnapped while in the care of his father, and the investigation reminds the officers of an unsolved abduction that occurred in the same neighbourhood 13 years earlier. Benson vows to learn from past mistakes, and set both cases right.
Barba has to rely on old evidence and face off against a former colleague, as he looks into the trial of child abductor Lewis Hodda.
Frank must deal with the fallout after a newly-retired NYPD lieutenant is accused of shooting a mugger on the subway.
When a fashion designer is killed on the night of his boutique opening, Cosgrove and Shaw must track down a suspect with very little evidence and no witnesses; Maroun is shocked to find her own name on the defence's witness list.