Van and Deaq are in the middle of a shoot out in Aquarius's club because Aquarius didn't want to sell Ecstasy out of his club and the dealer shot up the place. They decide to open a hip Hollywood nightclub to trap the dealer in a bust. When the investigation encounters problems, Billie gets involved because she and the dealer share a past together.

Van and Deaq are sent in to penetrate an off-shoot of the Chinese Triad calling themselves Mighty Blue. There is already a mole, Alexa Tan, in the organization. She is an old friend of Billie from here day in the academy. Against Billie’s wishes, Deaq gets romantically involved with her and this relationship causes Alexa to break cover. Now the leader of Mighty Blue wants to settle the score with Alexa.

Van and Deaq go undercover to get inside the organization of one a gang boss, Cyrus One, who has been hiring assassins to gun down LAPD’s finest. They are forced to prove their worthiness by completing a couple of tasks that coincide with their specialties. Also, Internal Affairs has now assigned a new agent to oversee the workings of The Candy Store and he’s not thrilled with the cavalier attitude that the three of them have shown in the past.

A methamphetamine ring has been going on for some time and Van and Deaq are sent in to try and end its distribution. Billie splits them up. Van tries to get close to the distributor, a porn producer, and Deaq infiltrates the manufacturers, two adrenaline junky brothers. Things start to go bad when they have to bring in someone to mark the meth and she gets caught.