Sammy Hayes-Rodriguez is a middle schooler who struggles with fitting in. His life takes an unexpected turn when his genius mother insists he bring her latest invention—a walking, talking robot named E—for a show-and-tell at school. Sammy, already dealing with the challenges of being the son of a famous inventor, now faces the added complication of having a robot brother who is even nerdier than he is. As E's presence at school leads to unforeseen consequences, Sammy must navigate the complexities of friendship, family, and identity.