What Did You Do That Day?

'A shocking mystery and a truly terrifying novel about motherhood' Uketsu, author of STRANGE PICTURES

It's all my fault. I always believed I was a good mother. But I was wrong.

Izumi believed she had a happy, ordinary family. But when her teenage son is killed in a tragic accident and her family thrust into national news, she begins to question everything.

What was Daiki doing out in middle of the night, when a serial killer was on the loose? Why did he flee from the police? What secrets was her sweet boy hiding?

Fifteen years later, a murder in Tokyo draws detectives Tadokoro and Mitsuya back to the case that left so many unanswered questions.

But there are some secrets in a family that are best left to lie.