A possible concise summary is:
This is a summary of the movie Peninsula, a sequel to the zombie train movie. The movie follows Seok, a survivor of the zombie outbreak in Korea, who is hired by some shady people in Hong Kong to go back to Korea and retrieve a truck full of money. Along the way, he meets other survivors, such as Min-jung and her daughters, who help him escape from the zombies and a rogue platoon of soldiers who use the zombies for entertainment. The movie ends with Seok and Min-jung's family being rescued by a helicopter and leaving the island.
Here are some key facts extracted from the text:
1. The text is a summary of the movie Peninsula, which is about a zombie outbreak in Korea and a group of survivors who try to escape.
2. The protagonist is Seok, a captain who failed to save his family on a rescue ship four years ago and is now living in Hong Kong.
3. Seok and his friends are hired by some shady people to return to Korea and recover a truck that has 20 million dollars inside.
4. Seok and his friends encounter a horde of zombies, a rogue platoon of soldiers, and a family of survivors who help them.
5. Seok manages to contact Sergeant Jane, who sends a helicopter to rescue them from the island.
6. Seok and the survivors board the helicopter and leave Korea, while the platoon and the zombies are destroyed.