Showdown on the bridge as the Killer reveals his endgame.

Sonya uses Linder's latest problem to repair her relationship with Marco. Charlotte forms an unlikely alliance.

Sonya and Marco search for a missing girl. Charlotte meets someone who knows too much about her new business venture. Marco makes a decision that could change everything.

Sonya meets a man connected to her past as Marco discovers he is no longer safe in his own department. Frye & Adriana investigate the origins of the "money house." A mysterious woman crosses The Bridge into El Paso.

A bizarre killing attracts attention on both sides of the border. Frye & Adriana find more than they bargained for with their first lead. Eleanor enlists the help of a young boy.

Sonya & Marco make an unsettling discovery as they continue to track Eleanor. Charlotte's business takes a hit. Eva & Linder are reunited.

Sonya visits a stranger from her past while Marco’s tainted history is unearthed. Frye takes a step too far. Eleanor’s loyalties are tested. A move is made to apprehend Fausto.

Sonya finds herself in the crosshairs as Marco races against the clock. Fausto discovers betrayal within his organization. An unexpected rendezvous unfolds at Red Ridge View.

Sonya & Marco sift through the fallout. Hank harbors a valuable bargaining chip. Frye and Adriana dig into CIA dirt. Fausto makes an irreversible move.

Marco hits a crossroads in his relationship with Fausto. Sonya squares off with Eleanor. Linder and Eva discuss their future. Frye and Adriana uncover a rift between agencies.