Celine 因為沒有禮貌，被拒出席 Mandy 的生日派對。當她承諾改變後，得到 Mandy接受。兩個月後，Celine 真的改變了，Mandy 更參加 Celine 的生日派對，大家成為了真正的好朋友。
Celine was rejected to Mandy’s birthday party because she was impolite. After promising to change Celine was being accepted again. Two months later, Knowing that Celine has changed, Mandy went to Celine’s birthday party and they became real friends.