Chinua Achebe, a great Nigerian English novelist was the fifth of six children of his parents. When the youngest daughter was born, the family shifted to Isaiah, which was Achebe ’s ancestral town of Ogidi, whi ch is now the state of Anambra. Achebe ’s second novel No Longer at Ease is dedicated to his wife, Christie. He in this novel tries to show how the Western materialistic society slowly influences Obi, the protagonist of No Longer at Ease making him corrupt slowly . He becomes so corrupt that he ignores and stops valuing his traditional values and customs. The aim of this paper is to examine as to how corruption has set in colonial society and acts as a colonial legacy