The love story between a strict protector and a rebellious boss. Sky is a young master and the son of a mafia boss. Sun is the bodyguard who was sent by Sky's father to protect him. But in the end, they fall in love with each other. How will they face Sky's father?

Taeyang Group is the largest conglomerate in South Korea. The Choi family, who runs Taeyang, has supposedly been under a curse for a hundred year that the first bride of the eldest son will always die. When the wealthy heiress Jang Yi Kyung disappears right before her wedding to chaebol heir Choi Kang Joo, Na Doo Rim, a lookalike impostor, is brought in to take her place. But unlike the cold and calculating Yi Kyung, Doo Rim is sweet and sunny, and Kang Joo falls genuinely in love with her. As the wedding plans progress, Kang Joo and Yi Kyung's mothers both scheme and plot behind the scenes.

Genius student Xu Lang (Zhang Chao) who specializes in Criminal Psychology obtained a PhD at the University of Maryland. After returning to China, he joins the public security bureau but is severely injured and even loses his younger brother while solving a case. Seven years later, Xu Lang is the youngest professor of Criminology at the National Police University. Then, his friend Tang Sen (Leon Lee) invites him to return to the field and help out their newly established “Criminal Psychology Team X”. Together, the team of four uncovers unsolved cases and also finds new clues in Xu Lang’s life-changing case from seven years ago.

Mystery writer "M" has a girlfriend of 5 years named "F". After a trivial tiff on the night of Halloween, "F" goes off the radar for a good 3 weeks. At the suggestions of those around him, "M" starts to search for "F" but gets a shock to find out from those around her that "F" is actually different from what he has always known.

Adapted from essay "Subete Wasurete Shimau Kara" (すべて忘れてしまうから) by Cinder (燃え殻).

Based on the manga series "Boku wa Mari no Naka" by Shuzo Oshimi (published from March 6, 2012 to September 6, 2016 in Japanese seinen manga magazine Manga Action).

The new season begins with a special case that leads the duo to the Consulate-General of Japan in Hong Kong. It’s the first time for ‘Aibou’ to expand its setting to a foreign location since they went to London in the second season. Mizutani commented that it perfectly suits inspector Sugishita Ukyo, since Hong Kong used to be a British colony and Ukyo is interested in everything British. His new partner is called ‘Kai Toru’. He’s played by Narimiya Hiroki and is going to breath new life into the series. More details about him can be found here and here, but we will have to wait until the first episode to find out how they end up as partners.

A story of the battle between two families in the business world, which started from the parent's generation and transcends into the younger generation. And perhaps... this is where it will end?

Kamijo Ren is the director of the Tokyo Metropolitan Police Department’s Criminal Investigation Liaison Division. His father is a former police officer. An incident in Ren’s childhood triggered his thirst for power and he has his sights set on heading the police force by becoming its Superintendent General someday. Ren believes topping the faction that he belongs to is the shortcut to fulfilling his aspiration. He is driven by ambition and has no qualms carrying out work, no matter how dirty it is. His childhood friend Mizuki Sawa, a senior detective in the First Investigation Division, often opposes his stance and mindset as a detective but is the only one who knows about his past.