Strings (2017)

It is the 1960s in a development town in Israel. Rachel is a downtrodden widow who works as a seamstress, struggling to earn a living while raising her deaf son. She doesn't have the language with which to talk to him, and most of the communication between them is limited to basic gestures. In the course of her work, she meets a wealthy woman who suggests that Rachel give her son to her, in return for her giving him a promising future.