Blood Test (1923) is a Western film that follows an outlaw decides to hang up his guns and lead the "straight" life. His foster son falls for the daughter of a wealthy estate owner. The crooked manager of the estate wants the girl for himself--so he can control the estate when the father dies--and tells the father that the boy is an outlaw's son. Blood Test is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of western movies may also want to explore similar titles below.