The last metropolis in Europe. 'The City' – what's this huge construction? Why only some people live there and other reside on an endless dump? Mira Libelska 'Dragonfly' and her friend Ivo Glier start a journey to know the answers to bothering questions. The girl found heart-shape amber necklace, which has a great power known to residents of 'The Inside City'. People call them „Coveralls”. Will they find answers they are looking for and what price they will pay for it?