A former mobster emerges from hiding after 17 years and goes on a killing spree to try to relive his glory days in the mob.

A serial killer escapes prison and U.S. Marshal Annie Frost must rely on jailed fugitive Mason Boyle for answers. The case takes a twist when the U.S. Marshal team discovers that the fugitive's ultimate victim is not who she appears to be.

A drug distributor's wife kills the lead witness in her husband's case in an effort to keep her family together; Marco remembers his dark days with the narcotics division; Jimmy is forced to make a decision about his relationship.

The marshals search for a fugitive who is desperately searching for proof of his own innocence; a hidden vice lands Daisy in trouble.

U.S. Marshal Annie Frost must share the details of her past with the team in order to pursue a case that has put her father's life in danger. On a hunt to locate her father after two decades, Annie experiences flashbacks to her childhood, ultimately discovering the secret behind a lifelong betrayal.