"Superman: Last Son of Krypton," sees Superman discovering the existence of other surviving Kryptonians, including his own father Jor-El. He learns the shocking truth behind his origins and the consequences of his actions in the previous film. He confronts his past sins while grappling with the question of how to integrate the Kryptonians into human society. But when a new enemy emerges, Superman must confront his deepest fears and make the ultimate sacrifice to save the planet that has become his home.