Although the world features billions of individuals with an array of different faces between them, it's also true that there are only so many different combinations of facial features that can exist between people.
In other words, nature is going to repeat itself a little bit from time to time. Although families can definitely look similar, it's not impossible that there's somebody out there who has no relation to you whatsoever, yet looks almost exactly like you.
For the most part, these similar features don't really make much difference and are just kind of spooky. But one man is seeing his resemblance to somebody as an unexpected opportunity.