When his past unexpectedly collides with his present life, Walker is forced to resume his undercover identity to keep his family safe. Micki gets caught up in Walker's old case while August threatens to blow his father's cover. Trey starts his new job. 

Captain James and Liam follow up on a tip regarding Emily's murder. The duo head to Mexico for more answers but decide to keep their trip a secret from Walker. Meanwhile, Trey escorts Stella, August and the girls soccer team to an away game but when things take a dangerous turn Trey, Walker and Micki have to team up to save the kids. Micki learns some shocking news.