Lucas Bello (Sam Trammell), husband to Elinore Bello (Emily Deschanel), will be the first human to attempt multidimensional travel. But when he steps through the portal, and doesn't return, Ellie is left in despair. A year later, Lucas walks back through the quantum doorway. For him, it has only been a moment. For her, the worst year of her life. Upon his return they must solve the mystery that will change their lives forever.