Tilly, one of the newest super-powered people to join the Coalition of Heroes through their sidekick program, is doing her best to navigate the dizzying world of superheroes. Working with her idols should be a dream come true, but when she learns too much about her heroes, Tilly's dream quickly turns into a nightmare. As she learns more about the sordid history of the CoH, Tilly has to make a choice — Get in line and stand with her heroes, or take a stand and risk becoming something more... Villainous.