After her older sister refuses to go to an arranged marriage meeting with Takane Saibara, the heir to a vast business fortune, high schooler Hana Nonomura agrees to be her stand-in to save face for the family. But what happens when Hana meets Takane is an unexpected pairing of utter opposites!

It explores the idea of a powerful ancient box that could make your deepest desires come true.

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Wan Sheng Ren had accepted long ago the responsibilities and the parental interference that came along with his privileged life. Yet when it came to his marriage, he insisted on marrying the "little angel" girl from his childhood. His search for the girl led him to a family-operated inn, where he realized that recognizing his first love was more difficulty than he thought. Along with his personal assistant/bodyguard, Long Shi, they went undercover at the inn as their newest seasonal employees while they tried to figure out which of the women was his "little angel": A) Older sister Xu You Ai, tenacious slave master; B) Middle sister Xu You Qing, soft-spoken single mother; C) Little sister Xu You Meng, compulsive shopaholic; or D) Best friend Zhang Yin Yin, shameless man-eater.

Takakura So witnessed his father's murder at a young age. Pledging to catch the killer, he grows up to become an elite cop in New York City, where the criminal lives. His character is cool-headed and disciplined, yet adapts well. Because of major drug dealings, he gets sent to Tokyo to conduct a joint investigation with the Japanese police. There, he gets teamed up with, Kudo Maruo, a detective from a special investigative division. Kudo is a hot-blooded fighting expert due to his earlier days as a delinquent, but he makes a strong impression with his stylish appearance and is always interested in going on group dates. His personality, interests, and investigation methods are completely mismatched with Takakura's, but the two somehow work together to crack the case they've been given.

Ling Lai Ying (Louise Lee) and her husband, Wong Wing Jing (Ha Yu), worked hard from a tea restaurant to form Ka Cheong Wong Limited. Lai Ying's younger brother, Ling Sing Fung (Bosco Wong) helps list the company but Wing Jing is opposed to it. However, Hui Nga Lun (Joseph Lee) helped Wing Jing get away with the law by pleading guilty on his behalf. He has seen the risk of bankruptcy in the century-old printing business in the Hui family and offers to help. However, Wing Jing's sister-in-law, Leung Sun Wa (Susanna Kwan) and his younger brother, Leung Jaan (Louis Yuen) vigorously opposed the idea, in addition to a grudge held by Yue Sau Wai (Michelle Yim), who self-proclaims the Hui's as elites. The Wong's finally came to a merger agreement with the Hui's to form the Hui Wong group. Unfortunately, the merger triggered a series of troubles. Conflicts arose between the grassroots and the wealthy. The Wong's second son, Wong Wai Ga (Vincent Wong), and the Hui's only daughter, Hui Booi Yi (Eliza Sam) is in a loving relationship which was forbidden, and eventually forced Wai Ga to leave her. Lai Ying was heartbroken until another scandal arose when her eldest daughter, Wong Yi Oi (Sharon Chan) falls in love with Jeng Lap On (Michael Tong), a married man. Sing Fung is also embroiled in a never-ending relationship with his friend, Fong Hei Man (Priscilla Wong). The two families then spiral into a long-awaited revenge feud ......

Produced by FNC Entertainment, “Click Your Heart” is a high school romance drama for the teen audience. Mina will play the female lead, a lovable high school student, who starts receiving attention from four different yet equally charming male students, played by members of FNC Entertainment’s training system/pre-debut dance group NEOZ SCHOOL. The members are called Rowoon, Dawon, Chanhee, and Juho. Always under the spotlight, Rowoon will play the school’s own baseball star while Dawon is set to portray a diligent top student. Jooho’s character appears cold and rough but gives you his everything once you earn his trust. Chanhee, who launched his acting career via tvN’s “Signal,” will play a mysterious boy who stops smiling only when focusing on his passion — dancing.