Grandpa Zhu went to visit his son abroad, and before he entered the house, he heard the barking of his son's border collie "Bella", but Grandpa Zhu didn't like dogs. During the day, his son and daughter-in-law went to work, and only Grandpa Zhu and Bella were at home, so Grandpa Zhu had to get along with Bella, and as the days passed, Grandpa Zhu was unexpectedly conquered by "Bella" and gradually fell in love with this cute little thing. One day while walking, Bella accidentally wandered off, and Grandpa Zhu was so anxious that he left tears, but in the end, he found Bella, who by this time had already occupied a very important place in Grandpa Zhu's heart, as a family member and a friend. The day of parting has arrived, Grandpa Zhu is going back home, Bella can't let go of Grandpa Zhu, and Grandpa Zhu can't let go of Bella.