They've released some still cuts. I'm getting so curious!

In Episode 5, Hee-ju begins her full-scale campaign to claim the gold bars. However, a new character stands in her way: Do-kyung's (Lee Hyun-wook) ex-girlfriend, Cha Yu-jin (Lee Seol). Realizing that the items inside the coffin are gold bars, Yu-jin secretly approaches Hee-ju, foreshadowing a suffocating psychological battle.