On Halloween night, Donna becomes scared when her two suitors, Ray and Griffin, finally cross paths during a costume party at the KEG house. After being shunned by the Walshes and the rest of the gang, Valerie considers moving back to Buffalo, but decides to stay after learning that her mother has suffered a nervous breakdown. Steve unfairly blames Dylan for having a tryst with Valerie, and breaks his business agreement with the Peach Pit After Dark. Valerie also fails to bewitch Dylan who's sinking deeper into depravity with hard drugs, while Brandon reacts coldly towards Valerie after finding out that she skipped out on Steve's frat party to be with Dylan after she promised everyone to stay away from him. Meanwhile, Andrea's not pleased to see the cross necklace her baby daughter Hannah receives at a Day of the Dead celebration. Also, Clare talks David into a UFO hunt for the night in the desert near Barstow, CA.

Dylan enters a rehab center after all of his friends conduct an intervention. Valerie and Clare, left out of the intervention, spend the day shopping and bonding with each other. But after one day, Dylan runs away from the clinic with a little of Valerie's help. Dylan then alienates Valerie more with his continuing drug use and attitude in which she walks out on him for good. Kelly gets a modeling offer from Seventeen magazine. Meanwhile, Ray has dinner with Donna's wary parents Felice and John. Also, David and Clare's homemade video of their lovemaking disappears and turns up in the home of Donna's parents.

When Dylan is put in a coma after a car accident while driving under the influence of heroin, bizarre near-death dreams he has mirror his fight for life which involve his drug dealer, his high school principal Mrs. Teasley, Kevin, Suzanne, Erica, Valerie, the Walshes, and his own long-dead father, Jack. Meanwhile, Steve is bothered by the appearance of his annoying and overbearing father, Rush, at a flag-football tournament as part of the KEG sports weekend.

Brandon and Dean Trimble are caught in the middle of a conflict when several Jewish students, including Andrea, protest the scheduled campus appearance of a controversial, anti-Semitist, African-American orator, in which the demonstrations and near-riots disrupt Kelly's photo shoot for the magazine. Meanwhile, Donna plans a party for Ray's 25th birthday. In the hospital, Dylan spends the time talking with his mother Iris, while his drug dealer pays an unexpected visit and threatens him not to tell the police about their business.