Costly Affair revolves around parental control and the consequences of actions. It is the story of two young siblings Kalistus and Marcus, who grew up under strict parental discipline, isolated from the social world. Their lives were absolutely programmed by their father and monitored by their mother, but the death of their father opened a new version of life. A sudden liberty that could usher them into their fantasies beckoned, and their relocation to Offa road offered them the needed exposure. The family traits were loosing it's hold, until the last stroke by Mrs Kate. Her marriage to Mr Wilfred, and the decision of Kalistus and Marcus all became a Costly Affair.