MacIntyre MacGeehee and his friend, Ali Watson, become involved through their school's community service requirements in finding a project in which to make a difference. When Bo, his dog, is picked up by animal control, they come to realize the overcrowded and deplorable condition of their local animal shelter. With the help of Tula in "MacGeek: Super Sleuth" where they were instrumental in turning a wasteland into a nature preserve, they once again band together for a common purpose. Despite an insurmountable goal, Mac has to circumvent bullies while his dog, Bo, uncovers illegal activities all in pursuit of aiding homeless animals. Join Mac, Ali and Bo in their adventures as they seek a way to fulfill their ambition of obtaining a new animal shelter.