CNB officer Yan Qiaoyi leads team members Zhou Hao Yang and Dai Yuxin to investigate multiple drug abuse cases in Singapore. While pursuing leads on a drug syndicate, they soon come to realize that the people closest to them might be the real danger.

Fakfah is the owner of Baan Mook Lom Rak, a homestay resort, and she’s at the verge of losing her nephew, Jakgrawan / Plawan, to his bad father, Koltheep, and also Baan Mook Lom Rak because Ayakupt’s company, Sirivaree Group, wants the Mook Lom island for their VIP project.

Due to Ayakut’s bachelor ways, his mother forced him to get engaged to Darun, who have a crush on Ayakut’s older brother, Anawin. Ayakut ran away and got mugged by bandits, but got saved by Takom, Fakfah’s people. He though Takom was a bad guy and pushed him into the sea.

This made Fakfah angry and she was going to take him to the police station, but Koltheep came to threaten her again for the custody of Plawan. Her lawyer therefore, advised her to get marry to increase her credibility. So she made a bargain with Ayakut to marry her for not sending him to the police, which he agrees to. His mother was not please; however, he said he’ll use this chance to get information about her island for their benefit; however, they end up falling in love, but Fahfak still have fight for her nephew and resort.

Ai-oon is the disappointing twin of successful and beloved Ob-oom. They aren't close. On Ob-oom's wedding night, she takes Ai-oon aside and makes a request of her. Ob-oon and her husband Paul will be going away for their honeymoon and she'll be leaving something important behind: a lover, May, she hasn't broken up with—and she wants Ai-oon to do it for her. In the early morning following the wedding, Ai-oon learns that the newlyweds got into an accident. Paul has passed away and Ob-oom is in a coma. When Ai-oon decides to fullfil her sister's request, she's shocked to learn that May is both blind and a woman. She finds herself unprepared to complete the task.

Ezaki Yuichi and Akiba Rina meet in the hospital when Yuichi is suffering from a mild illness which can be cured, but Rina has problems with a heart condition that can only be treated with a potentially dangerous operation.

Mal Ja who is a part-time worker at a PR company loves all living creatures, but she has experienced a trauma with horses.

Saitip, a psychologist providing counseling for kids and families, comes back home with a degree in Psychology and willingness to work. Korn, son of a school owner, is to inherit the school business from his mom. He has to do everything to make his mom and the teachers accept him. He initiates a project 'Sweet Broken Home' to help five trouble making kids who are about to get dismissed from the school.They all similarly come from broken homes. Korn must succeed in his project, or else the five kids would be dismissed. Saitip is hired as a new counseling teacher to help him solve this problem together.

Single female lawyer Qin Shi is focused on her career, but was rushed into marriage by her parents. The top lawyer firm, Cheng and Hui is recruiting lawyers specializing in family affairs, and one of the requirements is to be married. Qin Wei, Qin Shi's second brother who is also a headhunter, secretly changed Qin Shi's marriage status to "married" without her permission, thus creating a fictional husband for her out of nowhere. Not knowing anything, Qin Shi was employed. Her outstanding performance earned the approval of the founder, Lao Jin. During a gathering with partners, Lao Jin recommended Qin Shi to be a legal counsel for the Association of Women Entrepreneurs. It is only then Qin Shi realizes that she is "married". Qin Shi decides to clarify the situation to Lao Jin, but at this moment her "husband" Yang Hua appears. He was forced by his mother to come for a matchmaking session with Qin Shi's competitor. Feeling angry about his mother's forceful actions, he has no choice but to seek the help of Qin Shi. Thus, the two people who are unwilling to be forced into marriage, hit it off immediately, and impulsively decide to register their marriage. However both their parents sense something wrong with the situation. At this moment, Qin Shi's ex-boyfriend suddenly joined the law firm. Facing the numerous crisis, Qin Shi and Hua Yang begin to slowly feelings for each other, and accidentally acquire true love.

Meet the two fearless men willing to go to extreme lengths in their pursuit of a serial killer that has shaken up their quiet city:

Lee Dong Sik, a once was capable detective, is now demoted to performing menial tasks at the Manyang Police Substation. He was just beginning to settle into a peaceful life when his new superior, Detective Han Joo Won is transferred in. Joo Won is an elite detective whose father is the star candidate for the National Police Agency’s next chief. Despite his admirable qualities and high social standing, Joo Won harbours a long-held secret.

When a string of gruesome killings occurs, a pattern takes shape that is oddly reminiscent of some cold serial-murder cases from 20 years prior. Dong Sik and Joo Won team up, vowing to stop this vicious culprit in his tracks.

As their investigation proceeds, they are forced to look far deeper than what the evidence, questioning the culpability of all those surrounding the case, including their own.