Zander the Great (1925)

Mamie an orphan girl who was abused in the orphanage is taken in by Mrs Caldwell a kindly woman with a young son named Alexander Mamie hits it off with the lad and nicknames him Zander When Mrs Caldwell dies the authorities decree that the boy must be placed in the same orphanage where Mamie was mistreated Horrified Mamie determines to see to it that the boy will be spared the same treatment that she had to suffer