Episode 1

S1 E1: "Will you stay loyal to me?" Jae-hee devises a scheme to make Jun-hyuk. Jae-hee provokes Han-sook, who proposes a deal to her, offering her the key to the secrets of the Sungjin family. It's a dangerous gambit, where success would not result in great benefit and failure would ruin her life for good. Despite the unfavorable terms, the key stirs up the greed and ambition deep inside her heart.