Everyone stopped dancing. They glanced at the exit door. Only Frank made the way through the crowd. The others followed after they got their senses back. Seeing Ava wiping her mouth on the dirty floor, their eyes widened.

"What happened?" Frank approached Jeremy.

Jeremy took Ava to the nearest chair, handing her a handkerchief. "I don't know. Ava said that her head was dizzy, then I gave her water. After drinking, she felt nauseous. Before she reached the toilet, she was already vomiting," ...