Kim Sa Ra was the daughter-in-law of South Korea’s largest law firm, but she was betrayed by her husband and lost everything. She subsequently began working as a divorce mediator. She is now the team leader at the Solution divorce mediation office. She punishes unfaithful spouses and provides help to those facing unfair divorces. She works with Dong Ki Joon. He is Sa Ra’s business partner and a legal adviser at Solution. Before joining Solution, he was an excellent prosecutor who went by the nickname “German Shepherd”. He chose this nickname because of his tenacity and keen intuition, but Ki Joon left the Public Prosecutor’s Office for an unknown reason. Sa Ra and Ki Joon work together to help people suffering as a result of difficult divorces.