Sun Gold tomatoes help

The fruit, or the plants? Fruit going grey-brown - blight. Plants drooping - a cold snap or drought (may not be cold enough to freeze, but tired tomatoes can suddenly suffer from 4 degrees or so. Remember, they are tropical, and won't appreciate a sudden drop in temp.Phil J

The plants. The fruits are fine and I ripened them on the windowsill but the plants were very unhappy.