改编自河本焰创作的同名漫画，讲述在这所以赌技决定地位的私立学校里，一个背负不堪过往的神秘新生将掀起腥风血雨，她赌上一切，决心复仇。

Miriam Gordon lives in a fog of grief while working in a downtown public library branch. When a burgeoning love-affair coincides with her receiving a series of oddly threatening letters, Miriam's sheltered existence is cracked open.