Synopsis

The apartment complex was sealed off, quarantined, a consequence of Min Ji's erratic behavior, a reaction to the Next drug. Its residents, whether they approved or not, were confined within its walls for seven days. Sae Bom and Yi Hyun isolated the suspected individual, Ju Hyung, while also offering refuge to those seeking shelter from the unfolding crisis. Simultaneously, during the joint investigation, Yi Hyun and Tae Seok uncovered the location of the Next dealer: Building 101.