The Woman in the Fifth (2011)
A college lecturer flees to Paris after a scandal costs him his job In the City of Light, he meets a widow who might be involved in a series of murders
Jack McCall, Desperado (1953)
A Southerner fighting for the North is unjustly accused of treason and escapes to find the witness who could clear his name, but he also seeks the two Yankee soldiers who killed his parents
Flight of the Lost Balloon (1961)
A professor is hired to navigate across Africa in a hot air balloon to rescue a lost explorer, but a mysterious local villain named Hindu commandeers the balloon for his own nefarious purposes