When John Ricca, author of a controversial and unfavorable biography of martial artist Sonny (""the Cobra"") Chow, is found dead in his home, all the evidence points to Chow as the murderer. Unfortunately for Captain Stottlemeyer, his chief suspect has been dead for six years. While Monk and Natalie (who's more interested in being reimbursed for her business expenses than in solving the case)