Rescued by Ruby: Directed by Katt Shea. With Grant Gustin, Scott Wolf, Kaylah Zander, Camille Sullivan. Chasing his dream to join an elite K-9 unit, a state trooper partners with a fellow underdog: clever but naughty shelter pup Ruby. Chasing his dream to join an elite K-9 unit, a state trooper partners with a fellow underdog: clever but naughty shelter pup Ruby. Based on a true story.