LOCKE & KEY – Netflix Drops First Trailer for Long-Awaited Adaptation January 9, 2020 Based on Joe Hill’s best-selling graphic novels, LOCKE & KEY follows three siblings who, after the murder of their father, move to their ancestral home only to find the house has magical keys that give them a vast array of powers and abilities. LOCKE & KEY – All episodes unlocking on Netflix on February 3, 2020.