Original: These characters fight criminals and schemers, Alliance security forces, the utterly psychotic and brutal Reavers, and the mysterious men with "hands of blue" — who are apparently operatives of a secret agency which is part of the mega-corporation referred to in the DVD commentary only as The Blue Sun Corporation.
Simplified: These characters fight criminals, Alliance security forces, the insane Reavers, and the mysterious men with "hands of blue" - who seem to work for a secret agency which is part of the huge corporation, The Blue Sun Corporation.