Never one to shy away from controversial subjects, Kate Slater steps back from investigating the fentanyl epidemic after learning happy news during a mid-pregnancy ultrasound. But then more students overdose, causing her to reach out to her ex, Detective Steve Douglas. Watching her every move is Mateo Alvarez. When a near-fatal hit-and-run underscores the danger she is in, her husband, Sam, vows to protect his wife and their babies at any cost. Sam makes it his mission to track and stop the source of the fentanyl. Furious, the cartel expects Alvarez to take revenge. He sets in motion a plan that will destroy Sam, resulting in the ultimate sacrifice that has Sam questioning Kate's love.