This story is about two different Hong Kong girls in encountering life experiences when turning into 30. Lam Tsz Kwan, is a smart worker who always performs professional in her job field. However, Lam has to deal with various internal conflicts. She has just reached a low ebb at this stage. Wong Tin Lok, an optimistic girl that turning into 30 too. These two girls share the same birth date but with different personality. After Lam moves to live with Wong, occurs subtle changes begin in their life.