An old man has trouble connecting with his young grandson that recently moved in. But then there are a series of mysterious attacks on the elderly, and the grandpa-grandson duo decide to investigate together and bond over the experience.
The runaway high school students, Hyeon-su and Dong-gyu, are helped by Min-jung who is a member of the so called runaway family. Hyeon-su asks to go to a runaway family’s residence, but Dong-gyu opposes it, and Hyeon-su and Dong-gyu feel for each other as they depend on one another. Dong-gyu frankly confesses to Hyeon-su, but Hyeon-su denies his feelings and leaves Dong-gyu to head for the home of runaway family by himself.
A birthday dinner turns uneasy when Min-jae’s past love walks in, and Geon-woo senses the spark that still lingers.
On the second anniversary, Juno and Minjae make a trip. However, due to Juno’s mistake, they stay in the guest-house instead of the hotel.
