Mildred returns to Ms. Cackle's academy with the hopes of a better year; but when her summer holiday project is stolen she has to prove she didn't make it up. Meanwhile, a group of first years discover a secret in a tree. Plus a discovery in the school's ruins spells hope and trouble for everyone.
Follows Fields as he's dropped into some of the most extreme and deadliest places on Earth for seven days and his task is to keep himself and his small film crew alive and lead them to an extraction point.