Plot: Unable to pay for Monk's services as a private detective, middle-aged law student Julie Parlo offers him a trade--she'll help Monk become reinstated as a policeman with the SFPD if he'll help her find her missing grandmother. The only clue to the identity of the kidnappers is a roughly drawn lightning bolt on a note left at the grandmother's house, leading Stottlemeyer and Disher to suspect the former leader of an anti-Vietnam War group from the Seventies