Lin Wu and Ling Ran, college students who lived a leisurely life, were a couple, but God was not kind to him. Four of Lin Wu's relatives died in a car accident. Lin Wu, who returned to school after attending the funeral, was already haggard. After a crazy night with Ling Ran, he completely disappeared. . .
Yang Qian (doctor), Xiao Chu (lawyer), Jiang Shanshui (writer), and Qin Ruofeng (lead singer of the band), four friends who have been very close since middle school, have all achieved successful careers in their early years. Together with Yang Qian's assistant Xiao Han, the emotional lines of the five men seem to be entangled. At this time, notes that read "It's not that I won't report it, the time has not yet come" appeared one after another, and everyone who received them faced the same fate: death! Fear envelopes everyone involved. Is this retribution? Or fate? And what does the reunion of Lin Wu and Ling Ran four years later mean. . .