Episode 5 plot: The protagonist Zhou Yan accidentally discovered that his girlfriend was with another man while rushing back to Seoul from Busan.This plot had a huge shock and emotional impact on Zhou Yan.

In this plot, Zhou Yan's inner world and emotional changes are the focus of the plot.

He suffered from dissociative disorder due to the disappearance of his sister and a long-term breakup with his lover, and developed multiple personality disorders.

In Episode 5, he accidentally witnessed his girlfriend being intimate with someone else. This not only revealed the pain in his heart, but also made him reflect on his relationship with others and his personality issues.

In addition, the second male lead also plays an important role in this plot.

He gave up his dream because of his brother's death and continued to live on his brother's dream.

In Episode 5, he also experienced emotional fluctuations and the gradual revelation of the truth, which further promoted the development of the plot.