David Jason stars as unconventional policeman Detective Inspector Jack Frost, whose arrogance and indifference to orthodox police procedures masks a keen sense of observation and a dedication to solving crime. Based on the books by R.D. Wingfield, each feature length episode shows Frost unravelling complex cases with his special touch of sharp instinct, dogged determination and compassion. Care And Protection - While investigating the disappearance of a child, DI Jack Frost and his sidekick D.C. Clive Barnard find themselves uncovering a crime dating back 30 years. Not With Kindness While Frost is busy investigating a woman who is receiving threatening phone calls in connection to the murder of a teenage girl, Denton Police station is suffering threats, deaths, and arson. Conclusions Frost gains a new partner and together they investigate an MP's son who is involved in a hit-and-run accident and a robbery at a private casino, which occur on the same night.