The episode begins in Mexico, where there are a few guys guarding a house. Just then a task force arrives and takes one of them down. They enter the house and go into a room to check on two people sleeping on the bed; but they are dummies. This is a trap. Just then a few civilians come in and open fire at them. But it is too late to abort the mission; all of them are killed. At the precinct, Kensi gets a huge box in the mail and Deeks is curious as to what is in the box. But Kensi tells him to mind his own business. Granger arrives and asks them to come to the ops. The team watches a video recorded by a helmet camera. The task force had invaded the house of Luis Cisneros, the Head of the Molina drug cartel and wanted by the FBI. ..