Tang Nannan (played by Dilireba) is a drifting writer in Beijing with all kinds of strange ideas in her head. She is struggling to make ends meet and longs to become a big online writer with many fans one day. In an accident, Tang Nannan met a man named Zhu Hou (played by Zhang Yunlong). The two did not meet happily at first, but by mistake, Tang Nannan and Zhu Hou actually lived under the same roof and became roommates. Xiao Jianjun (played by Gao Weiguang) is a good friend of Zhu Hou. He is deeply attracted by Tang Nannan's eccentricity and launched a passionate offensive against her. However, Xiao Jianjun's pursuit of Tang Nannan was repeatedly obstructed by Zhu Hou. What kind of calculations are in Zhu Hou's heart? Unknowingly, a thrilling love triangle kicked off.