
Woo Hyun is a Korean man, and Haruka is a Japanese woman. They live different lives, but they both carry emotional scars from their first love. While looking for answers and hope, their fateful encounter will change their lives. It started with one message… Haruka, a stage actress in Seoul, has been in a slump ever since she broke up with her first love. She cannot forget him and keeps sending messages that go unread on LINE. Despite her emotional hurt, Haruka wants to believe in love. In Tokyo, Woo Hyun, an aspiring movie director, keeps on doing interviews concerning “love”. After being deeply hurt by his girlfriend, who thought about getting married, he no longer believes in love. Haruka and Woo Hyun have both grown timid of love. The two of them, who live apart in Tokyo and Seoul, have a chance encounter because of a LINE message delivered to Woo Hyun’s smartphone from Haruka. They exchange messages without knowing each other’s faces and are drawn to each other before they realise it

33-year old Han Je In is a mystery novelist who is notorious for habitual false reporting to the police in town. Her only friend is police officer Rok Hwan, who has had a crush on her since childhood. One day, Je In hears a scream of help from an apartment upstairs and reports that a serial killer lives above her but no one believes her. Convinced that Jason, the handsome man living upstairs, is a serial killer, she asks Rok Hwan to help follow him around with her. But as she learns more about Jason in her pursuit to uncover the truth, she begins to fall for him. Seeing her in this state, Rok Hwan feels a tinge of jealousy.

A tomboyish woman, Baby, is the only child of a wealthy father involved in real estate and is trying to live independently without the help of her family for a year. Xiao Han is working with her father and is courting Baby. But she is still mourning the death of her lover Xu Yi Fan. Will she be able to move forward with her life?

An ordinary high school student, Min Ah lives with her mother, who occasionally acts like a child. Min Ah is a shy girl who does not have a lot of friends. That is why she doesn't enjoy school that much. The only thing that is fun for her is to watch Ki Soo, the boy who works in front of her school controlling traffic. He's a little crazy. Min Ah lives with the hope that someday she will also meet the fateful love of her life, just like the love that Ki Soo once had with an older student from her school. One day, a new family moves into the villa one floor below Min Ah. It's the family of Young Jae, a college student. Young Jae tries to be overly friendly because they are new neighbours. Min Ah's mother prematurely assumes that Min Ah has a new boyfriend, and Young Jae simply goes along with her. One day, Min Ah falls for one of Young Jae's tricks.



Hitomi, a Japanese resident, comes to Hong Kong after the death of her fiancé Tatsuya in a fatal accident to settle several important matters surrounding his demise. Although the incident was years ago, it has apparently left an indelible mark in her life as she could not forget him.
Kar Bo, an undercover cop, was involved in a drug bust-up which would later incriminate him. Hitomi stumbles into him and was amazed that he looked remarkably similar to her dead lover. Although Hitomi was conscious that Kar Bo can never be the real Tatsuya, she endures his hardships with him unfailingly which results to having strong feelings for each othe
Kar Bo, an undercover cop, was involved in a drug bust-up which would later incriminate him. Hitomi stumbles into him and was amazed that he looked remarkably similar to her dead lover. Although Hitomi was conscious that Kar Bo can never be the real Tatsuya, she endures his hardships with him unfailingly which results to having strong feelings for each othe

Left alone on a trip to Hong Kong, Tomoko, a sales woman from Japan finds herself the victim of a purse-snatching. The police arrest the man she points out, but it turns out to be the wrong person: a young Korean man named Ji Hoon. Despite his anger and humiliation, he takes her out to dinner since she has lost all her money, and in return, she agrees to model for his amateur film. What follows is a magical and romantic two days. Upon returning to their respective countries, Tomoko must return to her nine-to-five job and Ji Hoon must resume studying to join the family business rather than pursuing his dream of becoming a film director. But soon the two begin to email each other and rekindle their relationship despite the distance and obstacles between them. Marking the very first time in television history that a drama has been co-produced between Japan and South Korea, the story shows us that love has no borders.

On a spring day Munakata Ikujou visited an old temple to view a 1000 years old sakura tree. There Ikujou discovered a 3-year-old girl and adopted her as his own daughter. 16 years later, Sakurako has grown up to become a beautiful woman. Sakurako then has a fateful meeting with Takanashi Hiroto. Their pure love begin.

Hanamura Aiko is a skilled lawyer who specializes in divorce cases. She is a warm-hearted person who sympathizes with clients who are suffering from marital problems, but she grew up seeing her parents' discord, and has lost faith in romance and love. She dotes on her recently adopted dog, Sakura, and is enjoying her single life. Shirosaki Kai is the director of a 24-hour animal hospital who deals with life every day. He is loved by staff and patients for his good looks and skills, but he doesn't talk much about himself and keeps people away from him. A year ago, he rescued a stray dog ??that was brought to the hospital and named it "Shogun". One day, while walking Shogun, Kai meets Aiko with Sakura. At that time, the two dogs fell in love at first sight, and the destinies of the two began to change. Woo So Ha is a friendly young man from Korea who is popular wherever he goes. Woo So Ha has come to Japan with a mission and tries to get closer to Kai, and by chance, he also meets Aiko.



Love comes in all flavors. Secret Ingredient is the story of a Korean man who gives up his entire luxurious life in Seoul in search of his childhood girlfriend, someone he’s never forgotten all these years, in the hopes that she would fall in love with him, not for who they were back then or who they are now, but for what they can aspire to be: happy, fulfilled and blissfully in love with one another.