Heeshik begins to worry about Namsoon after Shio promotes her into his inner circle. Geumjoo probes deeper into a suspicious businessman.

Geumjoo pays a strategic visit to Shio, who has his own motives. During a birthday dinner, Namsoon’s family questions her growing kinship with Heeshik.

A familiar face comes up on the team’s radar, but her negative energy levels seem to fluctuate irregularly. When Ryoonggoo finds out, he steps in.