S1E7: Episode 7

Baek Beom finds Choi Hwa Ja’s fingerprints on the dead Byun Soo Kyung’s blouse. He immediately calls Kang Dong Sik to ask where Eun Sol is, only to find out that she has left to meet Hwa Ja. Frantically, Beom calls Sol’s phone. Meanwhile, after waving to Sol and telling her to come in, Hwa Ja mixes an un-known substance in Sol’s drink.