Los Angeles homicide detective Lieutenant Columbo uses his humble ways and ingenuous demeanor to winkle out even the most well-concealed of crimes.

S4, E2

Negative Reaction

A prominent photographer hatches a scheme to cover up his wife's murder with a phony kidnapping plot.

S4, E3

By Dawn's Early Light

A military-academy commandant murders to protect his career and prevent his school's conversion to a coed junior college.

S4, E4

Troubled Waters

Columbo's Mexico cruise is disrupted when an automobile executive kills his blackmailing lover, the ship's singer, then frames a musician.