Grand Pigeon's Duty

In the near future people decided to abandon human organs and replace them with innovative petrol implants that allow to prolong life. Almost all food businesses were ruined or converted into refueling. Due to lack of organic food pets were on the verge of extinction. Worst of all had birds that were unable to adapt to new conditions of life without human food. Pigeons organized resistance, which aims to attract people's attention to the problem of hunger and restore bakery companies for their bait. Pigeon John decides to help urban birds, using their unusual disease of the digestive system