This is Hansel and Gretel (brother and sister), they live with their dad and stepmother in a cottage in the woods. They were very poor and didn't have enough food.
To solve the problem of food shortage Hansel and Gretel's father and stepmother left Hansel and Gretel in the forest. Hansel and Gretel found their way back, this made their stepmother furious. The next day Hansel and Gretel went farther into the woods with their parents. Their father and stepmother left to go home without Hansel and Gretel.
Hansel and Gretel tried to find their way home but ended up just being more lost. They ventured for a long time searching they ended up finding a house made of candy. They were soo hungry they had to have some. So they ate some and a witch came out. She put Hansel in a cage and made Gretel cook.
Hansel and Gretel got reunited with their family and are rich.