Malcolm Black spirals into depression after his estranged daughter Layla goes missing. Concurrently, a young woman named Sidonie Duncan wakes up in a Glasgow hospital after a car crash with amnesia. Sidonie recovers and ends up working in an art gallery as well as making her own art, which leads her to working on a project in Los Angeles. There she meets Mark Ryland, and her life feels like it could not be more perfect, in spite of her dark dreams that may or may not represent her forgotten past. However, a chance meeting with musician Steve Abbott brings everything crashing down, as he is able to identify who she really is, and exposes the car crash story as a lie. Sidonie and Mark now are under pressure to find out how and why she lost her memory, a journey that threatens to unravel Sidonie and destroy their relationship.