A young, rookie lawyer with a strong sense of justice joins a top law firm — navigating the complex legal world under a cold, demanding mentor.

Ju Eun-ho is an unknown announcer with 14 years of experience. She struggles to get the chance to have her name recognized by the public. She also has another personality, Ju Hae-ri, due to a deep wound in her heart. Her alter-ego, Ju Hae-ri, is super positive and works as a parking attendant. Jeong Hyun-oh is Ju Eun-ho's ex-boyfriend; they dated for a long time but broke up. He became a star announcer as soon as he joined the broadcasting station and is the most-liked announcer by the public, but Jeong Hyun-oh also carries a hidden wound in his mind that he has never shown to anyone. Somehow, Ju Eun-ho and Jeong Hyun-oh reunite and help cure each other's wounds.

Cha Young Jin is the first female to ever work as a bodyguard in the Presidential resident, Chungwadae. Young Jin and Yoo Gwang Pil work as bodyguards assigned to watch over the president's son, Kang Soo Ho. They are assigned to guard Soo Ho for 15 months.

Desperation drives two nuns to perform an exorcism no nun should attempt. With a possessed child at the mercy of evil and the opposition of the Catholic Church, they take on the dangerous forbidden rituals themselves, putting their immortal souls in grave danger. They must confront the terrifying cost of their sacrilegious actions, but one goal remains: the boy must be saved at all costs.