Isaac kept calling out to Ray via the walkie-talkie.

By the time his voice was hoarse, he finally heard Ray's response. At that moment, he felt like he could cry from relief.

"Ray, it's me, Isaac from Villa no. 9," he hurriedly said. "I have a favor to ask. My mother has diabetes, and our insulin supply at home is almost gone. I'd like to ask if you could help us get some. Anything you want as repayment, just name it."

Ray gave a faint smile. "Fine. I need fuel—gasoline or diesel. Just give m