When Ex Colonel Merton discovers a burglar ransacking his home, he is shocked to find out that the thief is a former soldier from his tank regiment. When the thief escapes, Merton tries to contact former members of the regiment, in order to find out what set the thief on the road to crime.
The Intruder is a 1953 British drama film directed by Guy Hamilton and starring Jack Hawkins, George Cole, Dennis Price and Michael Medwin. The screenplay is by Robin Maugham and John Hunter, based on Maugham's 1949 novel Line on Ginger.