Walker and Trivette pose as street fighters to infiltrate a ring of blackmailers who have ruined their friend's life.
After learning that one of his parents' killers was never brought to justice, Walker finds a witness and goes undercover to locate the culprit.
In the season premiere, Alec (ADRIAN PASDAR) is in jail after his arrest for murder, but he still manages to unnerve Emma. Rebecca and Sutton formulate plans for the Mercer family.
Walker, Alex, C.D. and Trivette take a group of underprivileged teens to Ranger Camp for a weekend retreat, not knowing that one of the boys has stolen a bag of money from drug dealers, which puts all their lives at risk.
When Mary's witness is forced out of an Amish community and into WITSEC, learning to adapt is far from her only concern. Even a fish out of water has to worry about sharks.
