In a world after the nuclear apocalypse a scholar helps a small group of children and adults survive, staying with them in the basement of the former museum of history. In his mind he writes letters to his son — though it is obvious that they will never be read.
Not excessive gore, but there is a scene where the main character walks through a children's hospital ward and sees children being treated right after the nuclear explosion. One shot shows skin peeling off a child's leg.
A man commits suicide after giving a speech about humanity in general, where he announces he'll be killing himself. He is shown walking to and sitting in a ditch. His death is off-camera.
I would say that depends on the viewer. It ends with a message of hope for the orphaned children after the main character's passing. "The world is not dead. Go while you have the strength, for when a man is on his way, there's still hope for him."
Several dead bodies are shown through the movie. A scene in a children's hospital ward shows children being injured from a nuclear explosion. At one point, the movie shows a child's skin peeling off their leg.
A man commits suicide, leaving his adult son behind. However, he states the son has forgiven him. A group of orphans are abandoned by their caretaker, who will move into an underground bunker.
The main character is shown having flashbacks from the previous events. A group of children develop mutism, distrust and hypervigilance, which can be considered symptoms of PTSD.
The main character's wife, Anna, dies from radiation sickness. It is implied that their son, Eric, is dead, too. The museum curator kills himself, leaving his adult son behind.