The film centers on young Mariah, a little girl who dreams of getting a dog for Christmas year after year. This Christmas her dream is fueled after seeing a puppy named Princess at the local pet store. To see if she's ready for the responsibility, Mariah is tasked with dog-sitting her uncle's crazy canine Jack, who upends the family's holiday preparations with his various shenanigans.陈源没有理会苏云和陶艺说些什么，一边啃着鸡腿、喝着挺清凉的饮料，心里已经在琢磨该怎么找到父母和弟弟，抬起左手看了手腕上的腕仪一眼，屏幕上显示此地没有信号。
