Paegya ŭi yŏnin

Suwan leaves for Moscow to search for the man, Chang To-su, who holds the key to his mother's suicide while he was still an enfant. Chang To-su makes himself unavailable to him, but sends Svetlana who was close to him throughout her childhood. Suwan falls in love with her, without any prospective to meet Chang, at the same time, his perilous journey is near to the end due to the emergency related to his sister and his fiancée in Korea.