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.

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

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.