A covert group of tight-knit mercenaries with an inability to die have fought to protect the world for centuries. But when their abilities are suddenly exposed, they need to eliminate the threat of those who seek to replicate their power.
Armed with only the word "Tenet," and fighting for the survival of the entire world, CIA operative, The Protagonist, journeys through a twilight world of international espionage on a global mission that unfolds beyond real time.
After splitting with the Joker, Harley Quinn joins superheroines Black Canary, Huntress, and Renee Montoya to save a young girl from an evil crime lord.