When Ever 4, a sophisticated AI robot, becomes the personal butler to Luo Bu Shi, a spoiled yet lonely young heir, an unexpected love story unfolds. Assigned after the defection of Ever 9, Ever 4 advocates for robot rights while revealing his quirky personality beneath a calm exterior. As Ever 4 bonds with his human companion, the robot's unwavering loyalty and Luo Bu Shi's gradual transformation form a tale of friendship and connection that transcends species.