In Chicago, Marissa Irvine arrives at 14 Arthur Avenue, expecting to pick up her young son Milo from his first playdate with a boy at his new school. But the woman who answers the door isn't a mother she recognizes. She isn't the nanny. She doesn't have Milo. And so begins every parent's worst nightmare.

• Sarah Snook
• Jake Lacy
• Sophia Lillis
• Michael Peña
• Dakota Fanning
• Abby Elliott
• Jay Ellis
• Duke McCloud