Coal Hill Academy is like a beacon in the midst of all time and space, attracting anyone who is capable of harming it. Its high school students have their own secrets and secret desires. They will have to face the troubles of everyday life, including friends, parents, school, sex, and grief, as well as the terrible consequences that time travel brings. Because of the Doctor's influence, the walls of space and time have thinned, and monsters on the other side plan to break through and sow chaos on Earth.