Narrator Ben Tomlin atarts on his 13th birthday, August 1973. Dad Dr Richard psychology professor has moved the family from Toronto to Victoria, across half the country, to the university that will support his experimental Project with the 8-day old chimp Mom Sarah brings home. Diapered, dressed, treated like a human, Zan signs, communicates, and becomes a loved little brother, until the funding fails. A person is defined as "an individual human ... Maybe the dictionary was wrong."