Sandra, a former hipster singer, navigates a journey of self-discovery and danger after quitting her career to raise her baby, David. When she becomes suspicious of her husband Carl's infidelity, she sets out to Los Angeles with David, leaving her cell phone behind. Unbeknownst to her, Carl's gift, the revolutionary car Monolith, is now in the hands of her son, who accidentally locks himself inside the vehicle, trapping him in the vault mode. Sandra must find a way to rescue her child, while also confronting her own insecurities and the sinister forces that surround her.