Henry Hart (Jace Norman), also known as Kid Danger, takes place in the set of Dystopia, a futuristic city where he lives after faking his own death. Everything seems to be going smoothly when Missy Martin (Glee Dango), an obsessed super fan and admirer of Henry Hart, finds the Reality Altering Device (R.A.D.) and uses it to create her fan-fiction in real life. In doing so, Henry Hart is sent through a variety of alternate realities filled with different versions of his friends and enemies, including villains Vampiper and Coach Cregg. To travel through the dimensions and get back home, Henry Hart must join forces with Missy and his best friend Jasper (Sean Ryan Fox) to navigate the chaos.