소개：An unknown actress, Na Ah-jeong, tired of her monotonous minor roles, desires to take center stage in life. At this time, her childhood friend Do-han, the third-generation heir of the LJ Group, proposes a fake marriage. Ji-han, Do-han's brother, strongly objects to safeguard his sibling. Nevertheless, an unexpected turn of events unfolds, stirring emotions, and Ji-han and Ah-jeong discover an unexpected attraction between them.
소개：Jin Yi Soo has everything in life. Being a third-generation conglomerate, he never requires others’ assistance. However, things start changing when he gets entangled in a case.
Jin Yi Soo joins the violent investigative team at the Kangha Police Station that specializes in catching robbers. He aims to use his wealth and personal connections to his advantage. He works under Detective Lee Kang Hyun. Kang Hyun is dedicated and a smooth-talker and doesn't care for Yi Soo's presence when they begin working as partners.
소개：In a police unit focused on solving crimes in 24 hours, an analytical detective is partnered with an impulsive officer who never thinks before he acts.
소개：뉴욕에서 손꼽히는 인형술사이자 인기 어린이 프로그램 굿 데이 선샤인(Good Day Sunshine)의 크리에이터인 빈센트. 아들 에드거를 잃은 충격 속에 간신히 버티고 있지만, 시간이 지날수록 더욱 고통스럽고 위태로운 상태에 빠져든다. 에드거의 실종과 관련해 자기혐오와 죄책감의 늪에 빠져 허덕이는 빈센트는 아들이 그린 푸른 괴물 인형 '에릭'의 그림에 집착하고, 에릭을 방송에 출연시킬 수 있다면 에드거가 집으로 돌아올 거라고 확신하기에 이른다. 빈센트가 갈수록 파괴적인 행동을 보이면서 가족과 직장 동료는 물론 그를 도우려 애쓰는 경찰들과도 사이가 점점 멀어지는 가운데, 필연적으로 생겨난 망상의 산물인 에릭만이 아들을 되찾으려는 그의 편에 선 유일한 친구가 된다.
소개：Kim Sa Ra was the daughter-in-law of the biggest law firm in South Korea, but she was betrayed by her husband and lost everything. After that, she began working as a divorce troubleshooter. She is now the team leader at the divorce settlement office Solution. She punishes bad spouses and provides help for those who find themselves in unfair divorce situations.
She works with Dong Ki Joon. He is Sa Ra’s business partner and an advisory lawyer at Solution. Before coming to Solution, he was an excellent prosecutor who had the nickname of "German Shepherd." He picked up the nickname because of his persistence and keen intuition, but Ki Joon left the prosecutors' office for an unknown reason. Sa Ra and Ki Joon work together for people who are suffering through difficult divorces.