Seven years later, Zhang Yi unexpectedly received a call for help from Xing Jiadong's mother - Xing Jiadong lost contact after leaving a message in Tibet to relax. When sorting out the relics, a diary recording the past of the two and two unfinished Lhasa train tickets became the only clues. For this unfinished agreement and to fill the vacancy in his heart for many years, Zhang Yi put aside his work and resolutely boarded the train to Lhasa.
Intention: I can't be lovers in this life