Just 20 miles south of downtown Los Angeles is the Port of Los Angeles, the nation's largest container port and one of the most important trade gateways in the world. The anticipation of The Queen Victoria's maiden voyage, puts the Port Police on high alert. Later, the port receives a tip in the case of a missing college student; a boat in the local marina could hold clues to the student's disappearance. Meanwhile, conflict brews between truck drivers and port officials over a dirty truck ban.