Milo is Sam’s only friend and they spend all their time together, using only their imaginations to transform their world into a place of adventure and excitement.

But as Sam’s first day at a new school approaches, his mother worries that Milo is holding her son back, stopping him from growing up. School turns out to be full of surprises – and secrets. With a cast of adults and kids, IMAGINARY centers on an enduring friendship with otherworldly twists and turns that change lives forever.