The film concludes with the family safe, though deeply scarred, as they finally realize that the person they trusted most was their greatest enemy. You can find more details about the production and cast on Filmweb . Ręka nad kołyską | Film | 1992 - Filmweb
Once inside the house, Peyton begins a slow, methodical campaign to destroy Claire’s life from the inside out: Reka nad kolyska (1992) PL.mkv
Peyton manipulates situations to make Claire appear unstable and forgetful to her husband, Michael. The film concludes with the family safe, though
She targets Solomon , the family’s mentally disabled handyman (played by Ernie Hudson). Solomon is the only one who senses something is wrong with Peyton, so she frames him for molesting Claire’s daughter, Emma, resulting in his firing. She targets Solomon , the family’s mentally disabled
She secretly breastfeeds baby Joey so that he will reject Claire, making Claire feel like a failure as a mother.
The tension peaks when Claire's friend, Marlene, discovers Peyton's true identity. Peyton lures Marlene into a deadly trap involving a greenhouse motion sensor and a falling glass roof. After Marlene's death, Claire finally realizes who "Peyton" actually is.