Simon Sykes' virtual reality software company is exceeding expectations. He has money and power. He has Celeste, a beautiful, talented and devoted girlfriend. And, secretly, he has his pick of other women, on the side. He is in control, on top of the world and relishing every moment.But Celeste's sudden death deals him a staggering blow. To everyone except Simon, it looks like suicide, but he alone saw the ghostly figure at the scene of the crime. Plagued by grief and guilt, Simon vows to uncover the truth at any cost.While his business languishes, and friends grow concerned for his sanity, Simon stumbles upon a secret that promises the power to unravel the mystery and undo one life-altering moment, to save Celeste and restore his future: time travel.Meanwhile, Simon's suspicious behavior has renewed police interest in the case. With Chief Inspector Holloway closing in, Simon wrestles with time, space and reality to rescue the love of his life, unmask her true killer, and remodel his world.