A veteran World War I fighter pilot returns home a war hero and immediately regains his former job as a railroad company detective. His first case: recover a stolen satchel filled with $25,000 of company payroll, locate a missing employee, and capture a gang of railroad thieves.
A nobleman vows to avenge the death of his father by the hands of pirates. To this end, he infiltrates the pirate band; Acting in character, he single-handedly captures a merchant vessel, but things are complicated when he finds that there is a beautiful young woman of royal blood aboard.
A film projectionist longs to be a detective, and puts his meagre skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
The earliest surviving film featuring Lon Chaney in a major role, By the Sun's Ray's was but one of several 2-reel westerns starring the florid Murdock MacQuarrie. MacQuarrie plays a detective investigating a series of gold shipment robberies. Along the way, he falls for a mine superintendent's pretty daughter (Agnes Vernon), much to the dismay of a sullen mine office clerk (Chaney), who is also smitten with the girl...