Nikki takes Mike to the New Orleans International Airport to pick up his late wife's sister, Hannah, and her husband, Sven Aalborg. While greeting each other in the crowded airport terminal, someone mysteriously shoots Hannah's husband, leaving him in critical condition. While investigating, Mike discovers Sven is with the Swedish State Deptartment, and is currently involved in sensitive discussions with other countries. When Mike discovers the assassin's identity, he turns up dead. Then, Sven dies in the hospital, and Mike suspects someone turned off his oxygen as the mystery deepens.