Answer:
All that glitters is not gold.
"Good as gold"
"Golden parachute" - Getting a large payment to soften the fall of being fired/thrown out of the plane
"Golden handcuffs" - Getting a large delayed payment to keep you at a company that has just been taken over
"Golden handshake" - Getting a large welcome payment when joining a new company often after the above two incidents
"Golden affair" - When needing a large Golden parachute the Director compromises the Human Resources Director by having an affair, giving away promotions and pay rises in return for an extra large golden parachute