As a young boy, Noah witnesses his father, Lamech, killed by a young Tubal-cain. Years later, an adult Noah lives with his wife Naameh and their sons Shem, Ham, and Japheth. After seeing a flower grow instantly from the ground and being haunted by dreams of a great flood, Noah takes them to visit his grandfather Methuselah. They encounter a group of people recently killed and take in and adopt the lone survivor, a girl named Ila. Ila is treated for an abdominal wound and will survive, but Naameh determines that she will be unable to have children. Noah and his family are chased by the murderers and seek refuge with the fallen angels known as the "Watchers", in whose territory Methuselah lives. The Watchers are confined on Earth as stone golems for helping humans banished from the Garden of Eden. Methuselah gives Noah a seed from Eden and tells Noah that he was chosen for a reason. Returning to his tent that night, Noah plants the seed in the ground. The Watchers arrive the next morning and debate whether they should help Noah until they see water spout from the spot where Noah planted the seed. After a forest grows instantly, the Watchers agree to help Noah and his family build an ark.