Visitors to a regular mass market have no idea that the security guards, who usually keep an eye on them, have their own world, full of radio conversations, spontaneous bets on the squeak of the anti-theft system, and discussions between customers. The timid but vigilant Silent One stands at his post and is distracted only by the spectacular and captivating advertising video in the sales area. But as soon as one customer attracts his attention, a cat and mouse game begins, played out with hints, spontaneous gestures, and far from random glances.