Drifter , Archie Keogh comes to Lincoln and is immediately arrested for harrassing the local saloon owner. As Garrett is checking Keogh into jail, Billy the Kid recognizes him as an old friend. After Billy goes out of his way to help Keogh find a job , Keogh betrays him by killing Billy's girl, Rita's father and blaming it on BIlly. It is up to Pat to find the truth before Billy hangs. (thetvdb.com)