Penance

A chilling Japanese psychological thriller and Edgar Award finalist about four women, forever connected by one horrible day in their childhood — fifteen years later, someone wants to make sure they never forget.

When they were girls, Sae, Maki, Akiko and Yuko were tricked into leaving their friend Emily with a mysterious stranger. Then the unthinkable occurred: Emily was found murdered hours later.

The four friends were never able to describe the stranger to the police; the killer's trail ...