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Thereafter, the Ashby ENI cure for SOS is announced and successfully created.
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Nia then shows up at his apartment and they have sex, agreeing to spend more time there. He decides to go, where he meets fellow members Bess, Peter, Thomas, Gil, Max and Alice, and learns that the DEN's patients half of the time, mostly through encouragement, end their own lives. At night while picking up their prescriptions Jonas invites Silas for a walk, and then discloses that he is part of a secret support group and offers help. While conversing with Dominic she suffers a slight anxiety attack during the lunch break. Leonard introduces Silas's replacement, Dominic, to Nia the next day. Silas decides to get a job separate from Nia in a gardening section. Leonard spots Nia's workstation powered on and reveals that he has been monitoring Silas. On a different night in the bathroom, he kisses her, but hears Leonard, the company manager, and converses with him. She reveals that she has had SOS for over a year, hiding it to avoid discovery and ostracisation. One day he follows Nia into the bathroom and comforts her. Nevertheless he worsens, as his drawings become emotional and his interest in Nia grows. Silas is diagnosed with Stage 1 and is given a prescription. He goes for a check-up and is befriended by an official named Jonas with stage 2 SOS. The following day Silas becomes distracted during a conference at Atmos, falls asleep more often, and experiences a nightmare for the first time. Later in a team meeting, he again sees Nia's expression portray emotion. Silas is the only group member to notice fellow worker Nia having an emotional reaction. The next day at work a suicidal employee jumps to his death and the emotionless workers coldly analyze the moment. Sufferers who do not take their own lives progress to stage four and are detained in the dreaded Defective Emotional Neuropathy Facility (the DEN), the Collective's institution, which no one ever leaves. Returning home one night, he sees two citizens detained by officials and is reminded of a purported epidemic of Switched-On Syndrome (SOS), a multi-stage "disease" that restores human emotions. Silas, a citizen, works as an illustrator for Atmos. Citizens are mentally stabilized and all emotions and most illnesses are eradicated, with emotion and sexual activity contrary to the society's rules, and conception is through artificial insemination via a conception summons. In a futuristic dystopian society, citizens, known as "members", live under the Collective, the legislative body which monitors and controls the people's actions.
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