Detectives, and especially those who work in private, are often entrusted with strictly secret tasks not related to state activity. On the eve of our hero in the Unstable Engineer arrived a mysterious subject and offered a good fee for the detective to establish what is happening in a certain laboratory. There is a suspicion that one super genius engineer conducts dangerous experiments. The hero managed to penetrate the building, which turned out to be much larger, since most of it was hidden underground. Complete all levels, the client will give hints at first, do not miss them.