A policewoman is on a secret mission to South Korea, disguising herself as a tour guide to apprehend a fugitive.
Yu-ri who dreams of becoming a violinist, leaves herself out of her circle of friends to try to not disappoint her father. Then one day, Yu-ri went to a deserted house alone in the middle of the night, per her friends' plan. She meets Da-hye in a unique outfit and starts to break away, meets the special family of Da-hye and started to become a new family.