"Horonggak" is a very famous café that everyone wants to visit these days... the only problem is that it's never open! But behind these café doors is a haven for stranded vagrants. Grandma Mago, a deity from Jeju Island, with the help of Woojin and Jachungbi, finds vagrants who have lost their way and brings them back to the café. But with so many of these vagrants being bad or mischievous, will Mago find a way to help them get on the right path to living in their new home in Seoul?