Walking into a trap

In the bus, the blond-haired Cadillac No. 1 pressed a button.
The next moment, the originally ordinary bus began to extend computers one by one.
Various most advanced receivers and signal blockers appeared in the car.
At the same time, more than a dozen very small insect detectors on the roof of the bus flew towards the interior of the Yayang Building.
These detectors, as big as butterflies, fly silently into every corner of the building and then connect the monitoring signals to...