Deep Throat IV

Linda's frustration with her inability to achieve orgasm causes a friend to recommend that she see a sex therapist about her problem. During the exam the therapist discovers that Linda's clitoris is located in her throat and recommends deep throating as a treatment to her ailment. Linda then goes on to experiment with this new technique as she searches for a husband.

Nurse Linda Lovelace works for libidinous sex therapist Dr. Jayson. One of the patients she is treating is Dilbert Lamb, a meek geek who's harboring plans for a top secret government computer. Both the KGB and FBI alike attempt to enlist Lovelace in order to obtain the data on the computer.

The third Deep Throat film.

The fifth part of the series