Antique Gift Shop volume 5 features story and art by Lee Eun.
After murdering a man, contract killer Young-Ook hides out in a mysterious mansion called Snow Heights. There, he meets a creepy family and their young son simply called "Son." Despite warnings to ignore Son, Young-Ook can't help but feel bad for the way they family treats him. Eventually, Young-Ook decides to help Son run away from Snow Heights - but not before he discovers a shocking secret about the family!