The young couple Han-gyeol and Go-woon are staying in a Sauna with their son Woo-rim. One day, Woo-rim gets badly hurt and to save hospital bills, Han-gyeol enters an empty house of the old lady he got to know while working on delivery. It’s a perfect home for the family but they can’t stay there forever. The sweet dream will end when the old lady comes back from trip.
Making use of her Chinese that she had picked up while living in China, Han-young obtains her tour guide-interpreter's license and starts working as a guide in Korea. She gets used to her new surroundings and gains good results at work. However, she is forced to face challenges and changes as she loses touch with her brother In-hyuk, and the number of Chinese tourists decreases due to political tension between Korean and China.
Woo Jin and Samuel, a sexless married couple, are utterly fed up with their lives. To improve their circumstances, they choose to earn money by blackmailing unfaithful couples. As they track down these couples, they find financial stability and rediscover their own connection. They start working on their own issues, but the more they delve into it, the hidden truth resurfaces, complicating their journey. What is the truth that they have been avoiding?
