Law & Order: Special Victims Unit (1999) : 8x8

After a van containing two young children ends up in the river, Beck finds herself drawn to the young girl, Eden, and the investigation into a tape found in the vehicle turns up a mysterious death involving a controversial attachment therapy technique. Beck tries to do the right thing by saving Eden, only to find herself torn when it seems as though there is nothing she can do to help. The investigation into the rebirthing turns up a foster family who abuses the children in their care, but not all of the children agree that it was abuse.