A man wakes up in the woods, discovers that his family are in a bit of a pickle. Runs around a lot. Makes a complete bollocks of trying to protect his kids then decides to inject an unknown liquid he finds in a syringe in a muddy box, which anyone definitely would, and discovers the big silly twist.
An Indonesian film that makes the mistake of being filmed in English, making all the dialogue sound more wooden than the forest it was filmed in. And the twist really is very silly.