It's Halloween and Mason, Parker, Brook, and Isla (aka the Science Club) are excited about trick-or-treating and the total eclipse of the sun. But as the sky goes dark in French Bay, Nova Scotia, it gets a whole lot more interesting - and dangerous. The Science Club use their skills and strengths to solve the mystery of where and when they've ended up, and what might have caused a deadly epidemic in Florida in 1841. They also must...