Legacy primarily concerned itself with the story of Sam Flynn (Garret Hedlund), the estranged son of the original Tron hero, ...

You know the first Tron that Steven Lisberger did was so far ... Maybe it's not the last anyone will see of Sam and Quorra.

In Tron: Legacy, we see Flynn's son Sam enter the Grid in order to stop the evil program Clu from invading reality. Tron: Legacy also saw the algorithm that helped Sam on his mission, Quorra ...