Ep 6. Welcome Back, Carter

When an old acquaintance of Carter's returns from witness protection, Lee and the rest of the team must protect her from a violent gang. Meanwhile, Carter must confront her past and make amends for the mistakes she made that resulted in her witness protection status. As the team races to unravel the plot against their witness, tensions rise and alliances are tested. Will they be able to keep Carter's friend safe and bring down the dangerous gang, or will their efforts be in vain? As the episode unfolds, it becomes clear that there are more twists and turns to come, and nothing is quite as it seems.