Kim Sa Ra was the daughter-in-law of the largest law firm in South Korea, but she was betrayed by her husband and lost everything. Afterward, she 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 advisor at Solution. Before joining Solution, he was an excellent prosecutor nicknamed “German Shepherd”. He earned this nickname for his tenacity and keen intuition, but Ki Joon left the prosecutor’s office for an unknown reason. Sa Ra and Ki Joon work together to help people suffering from difficult divorces.