In 1987, bloodied man Soo-ho jumps into a women's university dormitory in Seoul. Yeong-ro, a female student who fell in love with him at a group blind date, tends to his wounds as the dormitory is ensnared in intense surveillance. As Soo-ho's secrets unravel, he must eventually face the conflict between his heart to Yeong-ro and responsibility to his comrades, as well as to his sibling who awaits him in his home country. What will be of their fate?

• Jung Hae-in
• Kim Jisoo
• Yoo In-na
• Jang Seung-jo
• Yoon Se-a
• Kim Hye-yoon
• Jung Yoo-jin
• Heo Joon-ho