Adrian Monk is horrified when helearns there is going to be a blue flu in San Francisco. He doesn't understandwhat the blue flu isbut it sounds terrible. Captain Stottlemeyer explains thatit's not really a virus: the police force plan to call in "sick" until they geta better contract. The good news is that the labor dispute will give Monk achance to get back on the force. The bad news is that it means he'll be a "scab"andhe doesn't like the sound of that either.
Before he knows it, Monk has hisbadge back and his own squad to command. Unfortunately, some of the squadmembers make Monk look like a paragon of mental health. But despite thechallenges, they will have to pull together to catch an astrologer's killer,solve a series of mysterious fatal assaults, and, most importantly, clean uptheir desks.