S1, E1: Four girls from different parts of China become roommates at 5438 dormitory of the Journalism Department of Southwest Communication University, Xia Langlang, Fan Xiaoyu, Huangfu, and Yang Jiaqian. Fan XiaoYu discovers her father has cut off her financial resources. She decides to sell her expensive pen to pay a deposit for an apartment. She loses the pen when a dealer buys it off of her.