After a fateful mission two years ago that left eight Special Forces soldiers dead, newly promoted Naval Investigator Abbey Vaughn makes it her personal mission to find the man responsible: the infamous drug lord Reynaldo Benitez. When her investigation brings in former Elite team leader Lt. Sam Harrigan, she reluctantly partners with him in order to bring the savage cartel leader to justice.

The love story of Chase and Scarlett is abruptly ended when Scarlett is diagnosed with cancer. Mia, next door, is pregnant and in an abusive marriage. The lives of Scarlett, Chase and Mia become intertwined with a surprise twist at the end.