Part 4, Chapters 15-19 Summary

The tall man from the bar is an engineer. He continually comes into the bar and tries to get Tereza to come to his flat. Mimicking her dream, she feels that by going with the engineer that she is following Tomas's commands to play this sexual game.

Tereza goes to the engineer's flat. He disappears to get coffee for Tereza. Tereza looks around the flat and sees Oedipus, a book that Tomas had given her years earlier. Tereza allows the engineer to make love to her. Throughout their lovemaking, she is in conflict physically and emotionally. She finally orgasms and spits in the engineers face at the same time.

Tereza goes into the bathroom of the engineer's flat. The bathroom exposes the pipes from the toilet that carry human waste to the sewers below. Kundera uses the metaphor of...