Soft hands can be surprisingly hard to play in blackjack. I know, the name does not make these hands sound all that bad. But in blackjack having an Ace dealt to you at the beginning of a round can be a good thing and a bad thing.
The good thing about an Ace in blackjack is that you have the ability to change the value of that Ace if you need to. Aces start out with a value of 11 in blackjack. But if the player hits too high, that Ace can be reduced to a 1 to save the hand from busting. Think of it as having a second chance for your hand.
On the other hand, that ability to reduce can make it difficult to know how to play your hand. If you have a hard 14 versus a dealer