Body Chemistry 4: Full Exposure (1995)

TV producer CLAIRE ARCHER, charged with the murder of her co-producer, hires top attorney Simon Mitchell to defend her. Though happily married, Simon falls for Clair'es seductive wiles and then, in the middle of the trial and the torrid affair, discovers that Claire is guilty. Simon's associate, Lane, finds incriminating evidence against Claire. Simon tries to end the affair. But Claire cleverly sets up Lane so that when Claire kills Simon, Simon's wife suspects Lane -- and shoots her. Claire Archer is judged "not guilty" and walks away free.