Donovan Matheson is a man trapped in the past. Once an esteemed physicist, Donovan worked on the Manhattan Project. In the years that followed, his regret spilled into his personal life, when he became obsessed with finding a theory for cold fusion to help benefit the world. Donovan's obsession led to the loss of his wife and child in an accident he believes he could have prevented. After a thirty-year absence, Donovan returns to his small town, where he finds himself caught up in events that echo the same tragedy. Plagued by déjà vu, Donovan is convinced his young neighbour, Maggie and her mother, Sarah are doomed to die on the anniversary of his family's deaths. Struggling to unlock the pattern, Donovan attempts to decipher a puzzle that he believes ties the past to the present, and offers a path to redemption. Donovan tries to convince his brother-in-law, police sergeant Finnley Boyd, but when his facts don't add up, Donovan's sanity is questioned. Is he losing his mind, or running out of time?