During a bank robbery in Dallas, Walker's partner is killed. Trying to solve this case, Walker finds out that this raid could have been only a test for a much bigger goal: simultaneously robbing four banks lying next to each other. No one believes him. After a bomb explodes in a far away bank, which has just gotten a valuable load, everyone goes there. When the actual raid starts Walker must face the gang alone.

Walker must help Alex when she is stalked by an ex-convict whom she convicted back in the day.

When a powerful Japanese Yazuka is killed by Congressman Cabe's assistant, the Yazuka come to America, seeking revenge, and Walker and Trivette are assigned to protect the congressman.

After he robbed a bank Roy accidentally gets arrested because of a minor offense, but has to be freed after a short time. Walker and Trivette stay close on his heels but they are not the only ones. The bounty hunter Maxwell is also behind Roy. When Roy is (unprovable) killed by Maxwell, Walker and Trivette follow Maxwell, who is now behind Roy's partner Ned - who has the stolen money - and doesn't stop at nothing to get the money.