Though this plot (such as it is) has been recycled in dozens of other movies in past years, it did certainly have good action. Fighting was very well choreographed and did certainly put this above other films of the same type.
Leonard Maltin/Plot synopsis:
When a strong-willed princess refuses to wed the cruel sociopath, she is kidnapped and locked in a remote tower of her father’s castle. With her vindictive suitor intent on taking her father’s throne, the princess must save the kingdom.