Oh In-joo turns to a work friend for help when an incident with her mother leaves her cash-strapped. Oh In-kyung digs into a four-year-old case.

After discovering Jin Hwa-young’s surprising secret, In-joo comes to suspect a finance director to be the culprit of the murderous scheme.

In-kyung causes a scene at a party celebrating Park Hyo-rin’s win in a contest. In-joo heads to a mental hospital to deliver an orchid and seek advice.

In-joo and In-kyung start new jobs and dig deeper into unanswered questions. Sang-a takes a sudden trip, inciting a surprising reaction.

In-joo and In-hye debate what to do with a shocking piece of evidence. In-kyung contends with fallout from a media firestorm.

Reeling from recent events, the sisters must look further into the past in hopes of finding the truth. In-kyung unlocks a secret. In-joo hatches a plan.