Kim was heartbroken by her fiancée cancellation of engagement, and the death of her beloved "grandma"; therefore, she decides impulsively to go study in Prague. When Kim is still in doubt with her whole life, she meets a handsome young Asian cellist Pan in Prague. Their relationship begins with a one-night stand and they both hold the attitude of “no strings attached” relationship. However, what Pan has been through moulds him to be more mature among his peers. Kim and Pan gradually bond over the losses in their lives and begin to fall in love…

Granny Chan lan-sum never reveals her experiences to Kim before. One day, a letter from Czech Republic Embassy makes Kim realize her granny's untold love story. With Pan's help, Kim eventually discovers her granny's secret. At the same time, their relationship will soon be tested by time after the end of the 6 months study. Pan's family status does not allow him to leave Prague; they have no choice but to move on with their lives. Will Kim repeat her granny's fate, estrange with her love and never reconnect again?