A sophomore girl who loves watching the Australian Open joins the tennis team in order to be close to her idol senior sister.
The senior sister fulfilled her promise to teach her how to play, but in fact she didn't value her.
In order to get the attention of her senior sister, she could only train more in private.
The provincial league finally arrived, but the coach didn't let her play, which made her sad for a long time.
But with the help of the captain, she finally started dating the cold senior sister.
She also gradually understood her feelings for her senior sister, but although her senior sister didn't have a boyfriend, she didn't have any special feelings for her.
At the same time, her mother also forced her to find difficult friends.
After struggling alone for a long time, she could only give up her love for her senior sister, follow her mother's orders, and find a love recognized by the world.