Taesik is on a business trip on his first day of work but nothing seems to go right.

An elderly man, Takuzo, is home one night feeling sorry for himself. A young woman knocks on his door and takes him to a location that has significance for Takuzo. But the place has completely changed. The two wander around, both resisting what they need to say.

A nerdy high-school boy is face to face with the "bad" girl in class. He believes his frustration will be resolved if he eliminates her. It turns out that she has the same idea. They're about to take part in a deadly duel, who will be victorious?

Since Daddy put a key around his little girl's neck, she's felt very lonely. All she can do is to hope that her Daddy comes back and hope that the key is for a nice, warm home. For her, the key is an amulet that she turns to when she feels scared and sad.

A twist of fate crosses Jason's path, a Chinese student, with Lyn, a homeless illegal Chinese immigrant. Lyn’s tough life and Jason’s warmth sparks a growing bond between them. Yet, before they are able to realize their love for each other, an unexpected incident changes their lives.