Dakota's Summer (2014)

Cowgirls 'n Angels Dakota's Summer tells the story of Dakota Rose, a cowgirl and competitive trick rider who finds out at the age of seventeen that she was adopted. She secretly sets out to discover the truth about her adoption and meet her birth parents while visiting her grandfather, rodeo legend Austin Rose. At Austin's ranch on break from the Sweethearts of the Rodeo trick riding team, Dakota discovers that family is not defined by blood, but rather personal commitment and by the love they share. Finally at peace, Dakota trains with Austin in order to prepare to rejoin the Sweethearts for their final competition against the talented Lone Star trick riding team and become the champion trick rider she was destined to be.

Unfortunately the movie Dakota's Summer is not yet available on HBO Max.