Jon wanted to go after his sister, but Biff wanted to go after the van. "You can come back later, she isn't going anywhere," he reminded Jon.
Biff had a real way of sounding compassionate sometimes. But he had a point. If they didn't catch the van now...
They set off again after the van, only to see it vanish into the mist.
"What the fuck?" Biff said. "What now?"
Jon checked his watch. It was moving again...