In Spiderhead’s world, which takes place in the near future, companies and states make deals with prisoners and use them as subjects in various medical experiments. The deal is simple. Being subject to new drugs that have not yet been put on the market in exchange for shortening the penalty period. One of these prisoners, on the other hand, loses the ability to feel the concept of love when he tries one of the drugs used for testing purposes. This prisoner begins to question everything in his life after the incident and embarks on a journey to find answers to his questions.