Joo Jang-Mi (Han Groo) wears this bag with gold rivets in Episode 2 of Marriage, Not Dating.

It is the Jerome Dreyfuss Bobi Chain Bag. Buy it here:

AVENUE 32 – $1040
MADISON LOS ANGELES – $1085
INTERMIX – $1090
DIANI BOUTIQUE -$1090
LUISAVIAROMA – $1201