It was a small town. Mark was taking his young son, Timmy, to watch trains at the old train depot. It was what they enjoyed doing. They would sit on one of the old benches and watch the trains as they rolled on by. No matter what time of the day they got out there whenever they could. It was the same thing every time, and they never got tired of it.

One day would change them forever.

It was morning on a very sunny day. Mark and Timmy were approaching the old depot as they normally did, and they saw an elderly couple sitting on the same bench that they normally sat on.

“Do you think they are here to watch the trains with us?” Timmy was very excited.

“I don’t know,” Mark said. “We’ll just sit on the next bench.”

They came upon the couple.

“Good morning,” the…