18. A Spark. To Pierce the Dark.

Complete story — includes the ending

Lynette is threatened by her new boss, Lucy, when she makes her work permanently on Friday nights, preventing her from coaching Penny's basketball team. Carlos fires Lucy after realizing that she is a rude and demeaning woman. Bree finds out that Orson is committing theft to hurt her, and that she is unintentionally emasculating him by being the breadwinner of the house. She plans on selling her company, but decides not to when Andrew makes her realize that she should make herself happy by continuing her business. Susan discovers that Karl's son Evan, has psychological issues because his mother, Marisa, left Karl after the birth. Dave plans to kill Katherine with a hunting rifle during Mike and Katherine's romantic hike so that Mike mourns her loss forever, but his plans fail when Edie confronts him, having discovered from a newspaper article that Mike was the one who killed Dave's family in the accident. Edie runs away in her car after Dave tries to strangle her for trying to tell Mike the truth. While driving away, Edie nearly hits Orson, who is running away after stealing from a neighbor, Rose Kemper; she steers her car to miss him and crashes into an electric pole, resulting in an electric shock that kills her.