Happiness (2021)
—Sezonul 1 Episodul 3—

Sae-bom thinks Tae-seok is hiding something and feels uneasy about it. The new apartment is peaceful compared to the unrealistic dormitory. Sae-bom and Yi-hyun return to their everyday lives. Although it doesn’t seem right, they try their best to adapt. However, late in the night, they hear a constant banging from the unit above them.