While recovering from a severe injury, Wisting receives an anonymous letter. The cryptic content leads Wisting to suspect a possible injustice in an old murder case where a 17-year-old girl was killed, and her ex-boyfriend was convicted
在从重伤中恢复期间，维斯汀收到了一封匿名信。信的内容晦涩难懂，这让维斯汀怀疑一桩尘封已久的谋杀案可能存在冤案：一名17岁少女被杀，而她的前男友却被判有罪。
