Shark (2006)

Season 1: Episode 4

A couple is shot to death in a Malibu beach house, which they rented from a private investigator who knows dirty secrets about almost everyone in Hollywood - including Stark. The PI is under investigation by a grand jury and Stark uses that threat to squeeze information from him. Back at home, Julie helps a guy on whom she has a crush research a term paper while she lets her own studies fall behind.