美書為了給出房子的按金，把錢投資到朋友介紹的股票中，但結果卻不盡如人意…

美書帶著善宇參加了炒股聚會，認識了幾位也一樣想以炒股賺錢的人們。

Study members who saw stocks easily and got hit by Ye-jun. Studying is the only way to survive! They turn on their eyes and look for the items they're interested in. Strangely, Haeng-ja and Jin-bae bump into a case. Who will be the winner of the return on the stock of interest?

While she had an eye for sports, Mi-seo felt the limitations of seed money. She can't get any cheap money till the next day. She decided to do "debt" with the heart of the beast, and ended up heading to the reading room. Seon-woo, who noticed, follows Mi-seo, and recalls the memories he wanted to forget there.

Korea is too small for us. Let's go to America, the land of opportunity! The study members imagine how happy they are to earn foreign currency in the corner of the room with global top-tier U.S. stocks. But their magnificent American dream hits an unexpected wall...

Study members who dream of "ddasang" in the public offering craze. However, in the name of analyzing public offering stocks, he fell in love with games and mania. Sun-woo, who is even obsessed with trot singer Na Tae-joo, gets a glorious opportunity to go on stage at the fan meeting.

We too... can go to the shareholders' meeting? Study Members attend shareholders' meetings to exercise their shareholder rights. Mi-seo and Sun-woo, who went to Busan, succeeded in exploring the difficult businesses and getting high-quality information... But their real challenge was that night!

Jin-bae and Ye-jun accidentally learn a huge secret about Sun-woo. He has a criminal record? He's not a stock beginner? Stock study with emergency call orders! We're trying to put together a secret puzzle that each of us knew... Choi Sun-woo, what are you?!

"Sun-woo confides all the wounds he had hidden to Mi-seo. However, knowing Sun-woo's secret, Mi-seo keeps on avoiding him... Meanwhile, the stock has fallen to the bottom. But... there was a basement underneath the floor! Please stop! We'll all die!"

Study members are going crazy over the disaster of Tteok-Rak. Sun-woo takes members somewhere for mental care, but... he didn't know. The most difficult task in the world for those who do stocks is not to think about stocks . However, there was something more difficult for Sun-woo. That's... "I don't like Mi-seo."

Sun-woo was able to overcome the stock trauma thanks to Mi-seo. However, Mi-seo leaves with a call, saying not to contact her again, and Mi-seo's ex-boyfriend, Jin-wook, appears in front of Sun-woo! Will Sunwoo be able to buy all of his favorite items called "Miseo"?