When Seth Brundle makes a huge scientific and technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and the two become one.
Based on the true story of Grace Marks, a housemaid and immigrant from Ireland who was imprisoned in 1843, perhaps wrongly, for the murder of her employer Thomas Kinnear. Grace claims to have no memory of the murder yet the facts are irrefutable. A decade after, Dr. Simon Jordan tries to help Grace recall her past.
Mourning the accidental death of his wife and having just moved to New York with his young son, laconic police psychologist Cal Jamison is reluctantly drawn into a series of grisly, ritualistic murders involving the immolation of two youths.
