Julie is a new mom and children's book author, who escapes into the bright Crayola-colored world of her creation in order to leave behind the darkness caused by her post-partum depression.

Professional photographer Jamie's quantum physicist boyfriend Isaac has gone missing, and is presumed dead. Haunted by his disappearance while attempting to continue with life as normal, Jamie gets more and more wrapped up in figuring out exactly what happened, and is convinced that his disappearance has something to do with Isaac’s research into parallel dimensions. She continues to pursue him until she collides with a shattering revelation.

On her first night in the city, Jen meets Todd; she spends the night with him, only to discover he has already departed the morning after. Two years on, Todd reappears and disrupts the life Jen has created with her new boyfriend, Ethan. Tensions build and feelings resurface with a newfound fervor as Jen and Todd are inescapably drawn to each other, almost as if against their better judgment, struggling to find themselves and each other in the eternally changing city.