The Flying Doctors (1986)

S05E12 All That Glitters

Barry Ryan, a wealthy newcomer, arrives in town and is out riding when Luke hears a gunshot nearby. Barry is found wounded and rushed to the hospital, but Jack faces a dilemma as it appears only Barry and Luke were present at the scene. Discovering Luke's past involvement in a cop's death, Jack arrests him. However, it eventually comes to light that Barry’s injury was a suicide attempt. With the truth revealed, Jack and Luke manage to mend their friendship once more.