Following the outbreak of "Simian Flu" that has all but wiped out human civilisation, an exploration into the jungle to inspect the remnants of an old dam introduces "Malcolm" (Jason Clarke) - rather aggressively - to the apes that occupy the woods. "Caesar" (Andy Serkis) is their leader, and keen to ensure a peace so he makes it clear that each should stick to their own territory, and leave each other be. It seems the folks need the dam, though, and after a bit of toing and froing, they manage to convince the apes to allow them to try to make the dynamos work - before what's left of their city... read the rest.