Small red dots
For his plan to work, the groom had to know exactly where the men were sitting who were sleeping with his new bride. He had to be sure of everything for his plan to turn out successful. Before the ceremony, he crept into the banquet hall to find out where each of them would be. And he was able to proceeded according to his plans. Something huge was going to happen.
Once the groom finished locating the men who allegedly slept with his new bride, he placed a red sticker at the bottom of their plates. But the groom knew that if his plan was to be successful, he had to keep a straight face, so that no one would realize that he was up to something. The men and the new bride were about to take the biggest shock of their lives and be exposed to everyone there.