Wall of insanity
A police operation on detention of insecure sectarians has gone completely off-plan, with the result that it leads to unexpected results. A carefully prepared detachment disappears under mysterious circumstances, and the special forces who came after find only an abandoned house with nothing at all. This is where the story with a long plot begins. Closely examine the terrain and do not take risks. Study your own enemy and correctly choose strategies for the battles, they will save your life, as well as ammunition.