What movie is a man fighting with three soldiers with a dagger?

First drop of blood. In the movie "The First Blood", john rambo struggled to survive in the Vietnam War and wanted to return to the town, but was recaptured by a large number of Vietnamese soldiers. In the process of escape, john rambo defeated three soldiers with only one dagger, and finally successfully returned to his hometown. The First Blood is an action movie directed by Ted Cocev and co-starred by Sylvester Stallone, richard crenna, Brian Dannelly and David Carroussel.