If you could live your life over again, what would you ask to change? Something big? Something small? A single moment? Have you decided on your question? Zoe has. Tired of feeling alone and lost, Zoe seeks out an experimental virtual therapy experience from Alternative Reality Tech, which offers patients the opportunity to explore life’s biggest “what if?” questions. During her first assessment, Zoe glimpses a past in which she would have met the love of her life years ago, if not for a split-second decision. Wanting to explore what could have been, she returns regularly to her alternative life, slowly falling in love with the one that got away. And so begins a dangerous obsession…