We had a visitation from the pet of one my mom’s friends, a dog named Stormy (a Beagle-Lhasa Apso mix). The thing is, his owner wasn’t with him. Mom wasn’t quite sure what to make of his sudden appearance in our yard or whether it was even him (same markings, colors, …breedability[not neutered], etc.)! He’d never been here before and he lives two and a half miles away! I mean its not a huge distance, but still, I think it fairly improbable that he’d end up at a familiar being’s abode. What are the chances? That’s a rhetorical question.
I know you said rhetorical but I can’t resist…
A snowball’s chance in hell?? 
Someone’s jerking someone’s chain or it’s a coincidence.
I’m leaning toward coincidence, but thought I’d share the weirdness of the…mundanity and…pointlessness of it all.