Minato Shindo has savant syndrome. His memory is amazing, but he has difficulty communicating with other people. When Minato was little, he dreamed of becoming a doctor. He met Doctor Akira Shiga and he wanted to become a pediatric surgeon. Akira was surprised by the 7-year-old's memory of the human organs and he decided to support Minato in achieving his dream. Eventually, Minato graduated from medical school and passed the national exam for medical practitioners. Now, Akira works as a director at a large hospital. He suggests to Minato to work in the pediatric surgery department at the hospital where he works.
Akira Shimazaki (Takuya Kimura) lives with his middle school student son. He used to work as a bodyguard, but, due to an incident, he now works as a security guard at a construction site. The private security company where he works establishes a new bodyguard division. Hiding his past as a bodyguard, Akira Shimazaki begins work as a novice bodyguard.
Shinkai Genichi, a 42-year-old man who used to enjoy success as a budding scientist during his school days but gets too caught up with his past and keeps chasing his dream unsuccessfully for the past 18 years. As a result, his wife walks out of him, he loses his apartment due to unpaid rent and struggles to make a living while supporting his only son Kouta who is 5 years old.
"The Complex-Prologue" is a spin-off of horror movie "The Complex". A young boy named Minoru becomes involved in a mysterious phenomenon and horror experience.
Originally a mid-level manager (Kimura Takuya) with a promising future in a big corporation and loved by his subordinates, the life of this elite employee changes dramatically one day. Having for some reason attracted the attention of the senior management, he is framed for a crime which he knows nothing of and forced out of the workplace. Even after that, he is assailed by a series of surprises and in one day, he loses his house, wealth and handphone until he is without a cent to his name. At his wits end, he comes to a park where he encounters two children. Learning from them how to survive even if he does not have money, he somehow weathers this crisis and discovers the truly important and priceless things in life. The good thing about him is that his carefree personality amazingly does not shift. It is not resentment and bitterness that become his driving force, but the love and help of the people he meets that enables him to keep go forward step by step.