Complete second series of the popular 1970s American detective drama, following the investigations of the deceptively disheveled cop Lt. Columbo (Peter Falk), who always asks 'just one more thing' before getting his man. In 'Etude in Black', John Cassavetes guest stars as a conductor who is about to be exposed by his mistress for all his extra-marital affairs. In 'The Greenhouse Jungle', a horticulturist comes up with a phoney kidnapping scheme to get his hands on his nephew's trust fund, but when his nephew turns up dead, the case becomes a murder investigation. In 'The Most Crucial Game', the owner of a professional football team turns up dead, and Columbo has to track down his killer. In 'Dagger of the Mind', Columbo travels to London to study different policing methods, and gets involved in a blackmail and murder case based around a theatre production of Macbeth. Honor Blackman guest stars. In 'Requiem For a Falling Star', Columbo investigates a fading movie star who attempts to kill her cheating husband, but ends up killing her assistant instead. 'A Stitch in Crime' sees Columbo investigating a ruthless doctor (played by Leonard Nimoy) who murders a colleague who was standing in the way of his medical research. In 'The Most Dangerous Match', a chess grandmaster survives an attempted murder on the eve of an important match. Finally, in 'Double Shock', Martin Landau stars in two roles as the ruthless twin nephews of a recently-murdered wealthy businessman. Columbo investigates and tries to determine which twin was responsible for the crime. Also stars Julie Newmar.