Just as Tian Xi starts her first job, she finds herself working at the same company as Dong Chen, her childhood friend, whom she hasn't spoken to in ages. With both of them at the same company, they can hardly avoid each other, let alone never speak again. Dong Chen seems to have gone back to teasing Tian Xi like he did when they were kids, causing her no end of "trouble"... Once they start spending time together again, their relationship seems to return to the way it was in childhood, when they were inseparable...
