(1988) legend why did my brakes suddenly stayed on while driving?

What is your question?

Front brake were smoking specially the front right one. Brake pedal wash mushy and I was loosing brake power. I parked the car and the brakes seemed locked I had to really hit the gas to try to reverse or forward. I got the car home and this morning I drove the car around and it drove just fine. I have no real idea of what it might be please help thanks