"Isabel becomes involved in a delicate paternity case in the twelfth installment of the beloved Isabel Dalhousie Series. Isabel finds herself befriended by Patricia, a single mother whose son, Basil, goes to school with Isabel's son. Isabel discovers that Basil is the product of an affair Patricia had with a well-known Edinburgh organist, also named Basil, who was, rumor has it, initially reluctant to contribute financially to the child's upkeep....