Everything can be real

In a world where Demi-Humans share a world with people such as you and me there's A lot that happens, Demi-Humans are showed more racism than any other human race. Cops are more prone to just shoot at Demi-Humans for "Self defence" though they are not being threatened. Due to this most Demi-Humans have gone into hiding, When a Young teenager in high school and his "best friend" goes hiking they soon discover a cave untouched by humanity and instead filled with life such as Bio-Luminescent moss and other things, But they were soon found by something or someone.