Can you train your brain to be better? In a powerful journey into the world of memory, Tom Harrington explores the fears of many Canadians, and his own, when it comes to memory loss. Having lost his parents and father-in-law to Alzheimer's, Tom puts himself, and an industry, to the test. From popular brain training games to new technology that claims to improve brain function, he examines the promises and pitfalls of a multi-billion-dollar business in his most personal investigation yet.