This documentary investigates the controversial anti-malarial drug mefloquine, also known as Lariam, and its alleged link to severe psychiatric side effects. Through personal accounts from former soldiers and travelers, the film explores the devastating impact the drug has had on individuals, including reports of paranoia, hallucinations, and suicidal thoughts. The narrative delves into the history of the drug's development, its widespread use in the military, and the ongoing debate surrounding its safety and the adequacy of the warnings provided to users.