Wally receives permission to stay home during his family's annual vacation.
Lecturing on a law course at a local college, the Chief finds that one of the students is planning to prove that the perfect crime can be committed. The person responsible appears to be particularly cold and calculating, and the Chief finds that he is facing true genius.
When two outlaws fail in their efforts to kill Marshal Dillon, a meek little man volunteers to do the job for $200.
Danno poses as a surfer to infiltrate a professor-turned-gurus's circle, who may me dispensing more than just notions of peace and love to his followers.
Steve's friend (Barbara Eiler) asks him to help find out who is dating her daughter (Brenda Scott). She thinks it is an older man. A mix up, caused by a borrowed fraternity pin, causes Steve to think it is Mike who is dating the daughter.
