Realizing the limits of what a family of teenagers can do by themselves, Tanisu seeks help on the mainland with his mind-reading sister Suishi.

During their expedition to their old home, the family shares bittersweet memories about their lives left behind. Meanwhile, Suishi meets the family's landlord.

The landlord takes the family out for a day in the mountains. But the side effects of Ashisu and Aisuri's medicine begin to show themselves...

The landlord leads an outing to pick up some used furniture and introduce the family to the local town. But when they arrive at the seller's house, they receive disheartening news...

Snow is laid up with a cold, but the local doctor is out of medicine. While the landlord heads to the mainland to restock, Suishi seek a cure on the Internet.

After a sleepless night, Tanisu finds his family gone. While he runs around the island in search of them, he recalls the time they've spent together.

With the help of the landlord and Wei, Tanisu arrives at his old home, where he attempts to convince his family to return with him.