On Tuesday, John McCormick, 65, suffered a heart attack while mowing his lawn in Bayton, Texas.
But then, according to the station, engine driver Luke Bednarek thought it would be a nice gesture to go back and finish mowing the lawn for him.
Firefighter Blake Steffanauer told the station: "I just happened to get off the truck first, had the lawnmower first – we were all fighting over it."
They finished the job and left a note saying: "We felt bad that your husband didn't get to finish the yard, so we did.".
Sadly John McCormack died two days later.
But his family told the station that their grief has been easier to deal with thanks to the random act of kindness, and that they're getting calls from as far away as New Zealand about the deed. His wife Patsy told the station: ""I just couldn't believe it, I just couldn't believe they took the time to do that."