As personal items disappear around the dorm, the students wonder whether a thief lurks in their midst. Jamie gives away a rare pair of sneakers.

While out and about, Hans gets suckered into a con scheme. Meanwhile, Jamie accidentally locks himself and a few others inside a storage room.

Hyun-min is dismayed when his mother drops off his baby brother without notice. A woman shows up at the university with a demand for Se-wan.