Counter (2013)

Time travel was invented in the year 2113. Mankind discovers that it is impossible to change the past, though this does not stop rogue time travelers from trying. TCC member Nova goes back to 2013 to eliminate her target. She meets Yonik who has been sent back to aid her. The two find the target named Bly, who Yonik quickly kills. It is later revealed that Yonik was actually sent back to eliminate Nova. Bly appears and saves Nova. Confused, Nova demands answers from Bly. He explains that she is crucial for the future and that Yonik is trying to kill her and change the past, even though he can’t. A series of time-travel plot twists lead to a surprising and compelling conclusion.