University students Yoon Jin-Myung, Jung Ye-Eun, Song Ji-Won, Kang Yi-Na and Yoo Eun-Jae share a house. Jin-Myung is busy supporting herself financially and studying. She suffers from lack of sleep. Ye-Eun is devoted to her boyfriend, she is clear about what she likes or not. Ji-Won has a bright personality and likes to drink. Yi-Na is popular due to her beautiful appearance. Eun-Jae is timid, but she has an unique taste for men.

When Hye-Jung was young, her life was difficult. She was good at fighting, but also studied well. Overcoming her tough situation, she is now a doctor.

A drama about the love of people who get closer as they learn to be considerate of each other in desperate times and sacrifices made by people who throw themselves into natural disasters.