While Benson and the SVU squad investigate following the murder of a promising young author, they come across a long-kept secret between two reclusive brothers.
Deeks makes a big error during a stake-out that forces Hetty to fire him; an awkward goodbye between Kensi and Deeks leads to unfamiliar emotions for Kensi.
A fellow detective turns to the squad for help when he suspects that a serial predator is grooming his two daughters; Kat fails to obey the Captain's orders.
Rollins and Velasco try to track down a missing teenage sex worker, and they uncover an important clue among several neglected missing persons reports.