Plot summary
A high-ranking member of the Monarch Lodge - a secret society in Santa Barbara - is found dead. Henry was once a member himself, and Shawn, having followed him there, believes it was murder. Lassiter discreetly asks Shawn to go undercover. Lassiter's soon to be ex-father-in-law ( Philip Baker Hall ), who is the highest ranking member, is the main suspect. For Gus, the case is an opportunity to rack up some prestigious clients.
Credits
Adapted from Wikipedia contributors, Psych season 2. HTML formatting and reference markers removed.