A Muslim ex-con joins a terrorist group planning an attack in Los Angeles.
Farik and Ilija prepare for an attack on a shopping mall; Darwyn's supervisor becomes suspicious.
Farik, Darwyn and Christian go to Tijuana, Mexico, to straighten out financial problems.
Farik enlists a biochemical student to import anthrax from Canada.
The cell members infiltrate a secure warehouse as a new base of operations.
Darwyn befriends a pesticide plant worker in order to buy product under the table.
Darwyn tries to steer a young Afghan boy away from terrorism.
Darwyn's new handler tries to prevent the LAPD from blowing his cover in another investigation.
Cell hijacks a chemical truck; Farik spends last night with his wife.
When Darwyn discovers that the explosion is a decoy, he leaves a clue pointing to the true target.