0"The entire universe will flicker for you." This grand promise, or perhaps threat, leads Wang Miao to his next destination--an observation center where he can tune in to the cosmic microwave background. Along the way, he meets Ye Wenjie, Yang Dong's mother and former physicist with a storied past. Is she merely a kind elderly woman who's gone through tough times, or are there more secrets she's kept hidden away for decades...?