After the death of her husband, a grieving widow and a tormented ex-cop investigate a series of murders apparently related to the Universal Expo held in Seville in 1992.
An aspiring writer deep in debt encounters a young man with no memories and strange abilities. Together they fight injustice and form an unlikely bond.
Rio Sanada is the president of "Sanada Wellness" and an up-and-coming businesswoman who is selected as one of the "100 people in their 30s who will change the world". She is reunited with her former love interest Daiki Miyazaki, who is now a detective, after 15 years as an important witness to a murder case.
In Gifu Prefecture in 2006, Rio is a third-year high-school student who wants to go to the University of Tokyo. She took good care of her younger brother in lieu of their busy father. Before Daiki could confess to her, an incident occurs at the dormitory.
Kyra Berry, a 14 year old USA gymnast arrives in Australia to try and win a scholarship at an elite Gymnastics Academy. It's a second chance but also her last.
A nurse who is happily single the rest of the year is sick of being shamed for being alone at the holidays, so vows on December 1 to find someone to take home for Christmas.