In a thrilling start, a young doctor falls from a building, introducing the theme of insomnia discussed by Dr. Nisha at a university. Main character Jane confesses to her struggles with insomnia and OCD, leading her to join a study program at a pharmaceutical company. She learns she must stay awake to produce serotonin, with a dangerous chip in her neck that stops her heart if she falls asleep. The story unfolds with Jane navigating challenges at home and in the study program, setting the stage for suspense and mystery.