It's been 20 years since he lost his daughter from the global outbreak. The cordyceps remained the ruler of the world. Fortunately, he found his safe haven—the Jackson settlement.

There, he met a teenager that has caught Joel's soft and special spot. He made an exceptional bond with this kid, contrast to his usual gruff, emotional reserved, and stoic demeanor.

He found his purpose again. He might not be able to express it into words but he's ready to put his life on the line just for this kid.