chunk: Will Rodman, a scientist at the San Francisco biotech company Gen-Sys, is testing the viral-based drug ALZ-112 on chimpanzees to find a cure for Alzheimer's disease. ALZ-112 is given to a chimp named Bright Eyes, greatly increasing her intelligence. However, during Will's presentation for the drug, Bright Eyes is forced from her cage, goes on a rampage, and is killed. Will's boss Steven Jacobs terminates the project and orders the chimps euthanized. However, Will's assistant Robert Franklin discovers that Bright Eyes had recently given birth to an infant chimp. Will agrees to take in the chimp, who is named Caesar. Will learns that Caesar has inherited his mother's intelligence and decides to raise him. Three years later, Will introduces Caesar to the redwood forest at Muir Woods National Monument. Meanwhile, Will treats his dementia-suffering father Charles with ALZ-112, which seems to restore his cognitive ability.