Set in a future with a declining birth rate, SANDA follows a boy named Sanda who finds out his classmate, Shiori Fuyumura, plans to kill him because of a "curse" he carries and Fuyumura's missing friend.
Set mainly in and around the Aizumi Police Station, this detective drama depicts a detective with a past as a former delinquent who fights against the rapidly increasing number of juvenile crimes.
Forced into hiding in a mysterious house after a tragic accident, Razan and her two children soon discover that the mysteries within its walls are the least of their worries.