A sad stallion recounts his experience in a factory ruled by the cruel Overmare, Rainbow Dash. Faced with a dangerous plague and a choice between survival or authenticity, the colt struggles to navigate the harsh realities of the factory where only the strong and obedient thrive. As he grapples with questions of identity, purpose, and sacrifice, he finds solace in the memories of the inspirational Scootaloo and the hope for a better future. All while dealing with the dangerous virus spreading outside the Rainbow Factory.