After successfully framing Oh Yoon Hee, Cheon Seo Jin and Joo Dan Tae decided to get married. Their engagement party is interrupted by Oh Yoon Hee and Ha Yoon Cheol, who has just come back from the United States. As the secrets unveil, the relationships among the people at Hera Palace are entangled, yet another mysterious figure appears and confronts them. Dan Tae and the residents of Hera Palace prepare a wedding proposal for Seo Jin. However, police officers barge in and arrest Dan Tae as the murder suspect. When Yoon Chul introduces Yoon Hee as his wife, everyone feels shocked, especially Eun Byeol. Seo Jin can’t stop thinking about Yoon Chul and it leads Seo Jin and Dan Tae to have a huge fight. Seo Jin gets mad at Secretary Do for letting Yoon Hee take revenge on her. Dan Tae also notices that Seo Jin is hiding something from him. Meanwhile, Ro Na decides to make her move after Yoon Hee confesses a sin. Ro Na comes back to Cheong Ah Arts High School. Ma Ri gets furious when she finds out her daughter, Jenny, is being bullied by Seok Kyung and her friends. Seok Kyung threatens Seo Jin with a secret she claims to know about her for the grand prize given at the Cheong Ah Art Festival. Meanwhile, Seo Jin finds her mother and sister in her office with a non-disclosure agreement. Just as Seon Jin is announcing the grand prize winner of the Cheong Ah Art Festival, a janitor runs into the auditorium screaming. When Seo Jin realizes who the culprit was, she goes back to school and runs into Yoon Hee and Ma Ri. Eun Byeol is going mad as the days pass, and Seo Jin calls Yoon Chul for help. Dan Tae uses Seo Jin’s weakness to gain more power and wealth, and Yoon Hee uses her biggest secret to bring her down publicly.The Penthouse: War in Life [Season 2] Single Episodes