What would you sacrifice for more time with the peope you love? In the beginning, there was happiness. Maya, an artist obsessed with the nature of beauty, and Noah, a quantum physicist preoccupied by the mysteries of the universe, found in each other a shared curiosity about the world. But beneath the surface of their happy marriage is a third rail: Serena, the lost child who Noah had with his ex-wife, Eileen. One day Noah gets a call from an eccentric billionaire, asking him to participate in a clandestine project aiming to unravel the secrets of time and consciousness. The couple agrees to relocate to the Janus Lab, deep in the desert, where Noah finds himself drawn into a dangerous kind of time travel that could result in seeing Serena again. As Noah delves into this groundbreaking, fringe work, his past begins to overtake him. And when his ex-wife, Eileen, joins the project, Maya embarks on a journey back to her own past, one that takes her to Japan, to her family, and to a