Meet David MacLeod, a delivery driver who has been frequenting one customer for 6 years when he saw a heartbreaking note on a fence—he lost a dog, was in grief, and in search of a new dog. So, David took action.

Meet David MacLeod, a delivery driver who has been frequenting one customer for 6 years when he saw a heartbreaking note on a fence—he lost a dog, was in grief, and...