Seoha finally remembers how he and Jieum first met-but the return of someone from Jieum's past does not bode well for their future...especially when that someone was the reason for their separation in the first place. Meanwhile, Chowon is finding Doyun's defenses an impenetrable fortress. They say there's nothing a bit of alcohol can't solve, however...and what's a better way to bond than a couple of drinks to bring those walls crumbling down?