In a nursing home, someone casts an elderly person's tablet computer.Hongtian (Nao) investigates Vietnamese care worker Nguyen Truong Khang, who is suspected of stealing a tablet.A Vietnamese translation, Imai (Reina Takeda), found that Teen had a mole on his body.

Under the comfort of Arikino (Ryuhei Matsuda), Imai is no longer depressed by witnessing the grim situation of foreign workers.In the process of finding the truth, Hongtian found Teen’s so-called %friend, nursing worker Hayakawa (Kurosaki Gyoyo).