Penny Fleck lived in an old house with her two children Emily (8 years old) and Arthur Fleck (6 years old), Penny raised them both alone because their father Tom Fleck was a drunkard and abused her and the children, Arthur was the black sheep of the family

Was night, Penny was in the kitchen and she drink some water, she notices her daughter Emily Penny:Emily? Why you not sleep, sweetie?