Tamaki plays the role of Tominaga Shinichi who is a public prosecutor new at the special investigation unit who takes part in an investigation involving a big-name politician's illegal donations case. With the sudden disappearance of his childhood friend, Tominaga also gets embroiled in a scandal involving a space exploration project. As he investigates further, he finds that both cases are related to the politician who he has been checking on. At the same time, a young researcher at JAXA named Hattanda Haruka who has to struggle with the conflicts between dreams and justice.
Tamaki recounted that when he first read the script, he thought that this is a very challenging drama. As this drama is presented by highlighting evil, this will get viewers to think of what justice really means. In addition, as Tominaga is a new member of the special investigation unit despite being experienced and already in his mid 30s, Tamaki thinks that it's important to show this side of his character.
The rest of the cast will be announced at a later date and the drama SP will be shown within 2016.
Sources: Oricon / Eiga.com