When the Snow Queen takes Nam Ji Seob with her so that he can be the ice prince, the only way Seo Ga Eun, Nam Ji Seob's childhood friend and a webtoon writer in seclusion, can save him is by finding 7 memories in time. It's just like finding 7 pieces of the puzzle. So with the help of the doll knight, she tries to save Ji Seob. In this adventure, Ga Eun encounters Fairies, Yeti, Snow Queen and many interesting Korean retro characters.