Plotters Three--The New Aeroplane--Treachery and Tragedy--Murgatroyd's First Move--A Startling Plan--The Air-line into Trouble--Nothing Doing in Sykestown--Brought to Earth--The Coil Tightens--The Door in the Hillside--A Revelation for Matt--Pecos Takes a Chance--Besieged--The Broker's Game--Cant Phillips, Deserter--The Losing Cause.