On the outside, Helen has it all – a loving family and a successful career – but when her suppressed mental illness resurfaces, the world crumbles around her. Crippled by depression, Helen finds solace through her friendship with Mathilda, a kindred spirit struggling with bipolar disorder.

On the eve of Lionel’s annual Christmas display, a fiendish plot to steal the company’s breakthrough technology goes awry, ripping a hole in the fabric of time and space. Years later, teenage twins Nancy and Bobby Pullmor seek to uncover what happened that night, embarking on a perilous journey to an enchanted world where Lionel’s spectacular displays have literally come to life.