In the early 20th century Caine stands up to a man who is terrorizing a town. Also in the town is his wife and their son. Caine only has the drunken deputy and Cheyenne Bodie to help him. One night the man comes into Caine's home and grabs his wife and son and shoots Caine. While Caine is near death, he transports himself to the present and seeks out his grandson--the present day Kwai Chang Caine. When he finds him, he tells him that he has to help his grandmother and father. So Caine goes and along with Bodie and the deputy go to rescue them.
Peter is assigned to protect Graham Corrigan, a man in the witness protection program. The mobsters want him dead, and nowhere seems to be safe. Caine knows Corrigan and believes him responsible for the death of a friend.
Caine surprises Peter, as he joins him in his undercover investigation in the fashion world, posing as Gaston, a famed French designer complete with flashy clothes & gaudy glasses, while his son acts as bodyguard for a supermodel.
Caine senses that a long lost love is in trouble. He finds her being pushed out of a small town as her husband is being blamed for the death of a child. Caine convinces her to stay while Peter investigates the mysterious death.
Caine escorts his friend Alicia to the bank for moral support. A crew of bank robbers storm the bank and takes everyone hostage. The crew works to open the vault but their escape plan may result in everyone's death.
Caine runs across an old friend and blues player Sugar Williams from his years of wandering. Sugar is trying to reconnect with his successful blues singing daughter but is being rebuffed by her unscrupulous and overbearing record producer.
Caine leaves and all signs appear that he will not return. Peter tries to find out where he went. Later a man shows up claiming to be Caine's half-brother and thinks he knows where Caine is going. So they go to try and help him.
Peter is torn about his personal identity and he decides he would like to become a Shaolin priest. Caine and the Ancient take him to a temple to complete his training but find that a dark force is loose within.