The girl and the balck horse

There was a 9-year-old girl named Amy Amy and her mom went to buy a new horse named River. when Amy was 20 she got a call saying her mom passed away from cancer. One day her and River went on a trail ride they saw an old barn with at least 3 horses in it Amy didn't see a owner any we're she tied River up and went inside the barn when she saw the horses she almost started crying she called her friend and asked her to bring a trailer so she can put the horses in.