Su Jinheng and Qiao Yutong have been in love for seven years. After moving into their new home, he desperately discovers that the whole house's smart home appliances only recognize the voiceprints of his girlfriend and good friend Mo Zihang. He repeatedly tries to control the devices to no avail, and is even locked in a high-temperature room. The repairman informs him that the voiceprint slots have long been filled. Mo Zihang's exclusive daily necessities are readily available everywhere, and he is even scheduled to be the best man for the two. Until Qiao Yutong burns his maternal grandfather's heirloom, Su Jinheng burns his bare hands to rescue it and becomes completely heartbroken, cuts off the seven-year relationship and leaves far away to another place, and finally meets a gentle and good person who dotes on him wholeheartedly and accommodates him in everything.