Winter in Denton is a busy time for DI Jack Frost whose unsolved crime figures are mounting A serial killer is murdering local prostitutes armed robbery a ram raid at a jewellers and a buried skeleton is uncovered But Frost's main concern is for the safety of a missing schoolgirl Then the body of another little girl from the same school is found Frost's prime suspect, strongly protesting his innocence, hangs himself in his cell, leaving a note blaming Frost for driving him to suicide Coarse, insubordinate and fearless, DI Jack Frost is in serious trouble