The Homicide Investigation Team (H.I.T.) led by Cha Soo Kyung was established to investigate the case of a serial killer. The other four members were assigned from different precincts and when they first started, they all have their own ulterior motives and none of them was confortable with working as a team or trusted each other. Added to the mix, a rookie prosecutor Kim Jae Yoon was sent by the District Attorney's Office to keep an eye on the police's work. This drama depicts how cases were solved and how the members evolved into really working as a team.

In Jun Dynasty, there are two young ladies in Hua's family, Ruo Lan is gentle and kind,Yu He is sweet and charming. To fulfill their father's desire and ambitious, Ruo Lan disguises herself as a man replacing his father to be soldier, whereas Yu He trains dancer aiming at entering the palace to become a mistress of the Emperor. Ruo Lan becomes comrade in arms of Prince Jun and Commander Zhu during the militairy training, they go through thick and thin together in the battles but they are lost little by little in such a complicated relationship. At the same time, Yu He enters in the power struggle in the palace, to secure the Emperor's favor and climb up the ladder to success, she has to turn herself to be greedy, evil and imperious... The story of these two sisters becomes a legend in the Chinese history.

A story revolving around the complicated entanglements between the three main characters and the heart-wrenching romance that ensues.

When Luo Xi steps in to save the talented Xia Mo from a performance-threatening mishap at a major singing contest, he reverses a longstanding distrust they've shared since meeting in the same foster home as teen orphans. Luo Xi falls in love with Xia Mo and prompts Ou Chen, Xia Mo's suitor to dispatch her abroad on studies. Five years later, the now famous Luo Xi meets Xia Mo again, just at the moment an accident causes Ou Chen to lose his memory. As love and hate entangle with confusion, how will this love triangle unfold?

Chan William plays Liu Zi Guang, 30 years old, representing young men with a burning ardor, persevering to the top despite his humble background, displaying stories of love from all around. With a strong sense of justice and courage, he gathers a group of like-minded men. Due to an incident, he disappears from the world for 8 years, returning to find his dad beat up and admitted to the hospital. After delivering his brand of punishment to the deserved people, the nurses fall for his charms and upon meeting our female lead, the cop in charge of the case, they butt heads immediately. Doesn’t help that she discovers his involvement with a case from 8 years ago and is determined to uncover more dirt about him. Ma Sandra plays a 23-year old feisty police woman, the beauty of the bureau with a temper to boot.

Brilliant police officer Han Chen searches tirelessly for his lost fiancée – despite his amnesia, and despite everyone else insisting that this woman does not exist. His search leads him to Bai Jin Xi, a sunny girl working as a police detective and whose mysterious past is as full of secrets as Han Chen's own.

Jo Kang Hee was once a legendary badass in her teenage days—and as a Busan girl, she would have been extra rough-and-tumble. Daughter to a sashimi-restaurant-owner mother who loves to swear and a father with a rap sheet for fighting, Kang Hee inherits her parents’ penchant for cursing, quick temper, and sashimi knife skills.

As a young mother, she is the kind of person who prefers dramas to news or current events. But when she finds out that her daughter, Oh Ah Ran, is being victimized by bullies at school, she decides to do something about it directly, and what ensues is a positive, upbeat, and poignant” story that seeks to highlight trouble spots in South Korea’s educational system.

Mitsu became a college student while dragging along the trauma of her first boyfriend and a broken heart in her years back in junior high school. She was thinking about going to college and finding a new love, but the person in the room next to hers is, Kaede, her ex-boyfriend! It had been 5 years and he has become sophisticated and grown-up, but his gentle smile has not changed.

Mitsu wants to forget her old love and enjoy university life, but she finds herself trapped between her grown-up ex-boyfriend and her best friend.

Adapted from the manga "Motokare Retry" (モトカレ←リトライ) by Hanaya En (華谷艶).