Part One: The Box The unit arrived on a Thursday, which was fitting, because nothing Becky had ever received on a Thursday had mattered much. Her neighbor, Lena, had signed her up for the six-month trial without asking. "You'll love it," Lena had said, leaning against Becky's doorframe with the easy confidence of someone who had never been wrong about anything she'd recommended. "It's like having a garden. But more." The box was roughly the size of a refrigerator. Matte black