DEA

Nick and Theresa, undercover to bring down a drug naufacturer, become drawn to each other; Solana allies herself with Rafael Cordera to initiate a money-laundering scheme.

A huge Colombia marijuana shipment sparks an inter-agency squabble; Solana and Schliemann ally with a heroin trafficker.

Tom is thwarted by politics when he tries to apprehend the Honduran druglord who killed his friend.

Bill Stadler, the new head of the DEA, targets the Honduran drug importer who killed his best friend early in their careers.

A Mafia boss, gunned down by rivals, gives information that could break open a heroin network; Nick begins dating high school teacher Ellen Brunner.

European heroin link Iabella Solana is taken down, but not mob boss De Lasera, and the C.I. goes undercover after him.

Robles and Sanders arrest an attorney possessing heroin; an informant gets closer to druglord De Lasera.

De Lasera's drug empire topples, and the C.I. learns he has a debt to pay De Lasera after a recent heroin bust.

DEA agents put their lives in the hands of a drug and weapons trafficker turned informant as they mount an operation to burrow deep into Detroit's drug underworld. Each undercover buy and daring raid brings them one step closer to a deadly showdown with a violent drug kingpin.

The DEA go on a deadly standoff with two drug dealers and an escaped bank robber who stop at nothing to leave Detroit.

The DEA joined with Group 14, go on a citywide operation that forces them to go on eight simultaneous raids on the streets of Detroit.

Group 14 stages a group of raids that target drug rings.

A confidential informant and a special agent with the DEA go undercover to infiltrate an ecstasy drug ring.

Group 14 goes on a citywide operation to shutdown grow houses that are near local schools.