When Mac and DiMaggio go to meet a police informant at a waterfront setting (Mac complains that DiMaggio's car is not only cramped, but "has the baldest tires I've ever seen"), the informant's car suddenly starts up and nearly runs them down before plunging into the ocean. The informant is found later slumped in the driver's seat, with an empty suitcase beside him. It looks like he died from the impact, but Mac isn't sure and orders an investigation. Meanwhile, a suave "businessman" named Phillip shows up and starts following Mac around, inviting him and his ...