铢两悉称

Maddie and Abi are twin sisters, and famously the only victims to ever escape the notorious serial killer known as The Mechanic. Years after their near escape, The Mechanic is finally scheduled to be executed for his horrific crimes, but what should be a moment of closure for the sisters ends up unleashing something far more insidious. As they try to leave behind the trauma of ...。成海朔（山下智久饰）是一名在大学担任心理学副教授的青年，这一天曾相恋多年的前女友（木村文乃饰）走入课堂，拜托他协助担任刑警的弟弟安孙子贤人（浅利阳介饰）调查新近发生的一起案件。不久前，一个名叫八神圭佑（船越英一郎饰）的失聪男子因涉嫌纵火被警方抓获，然而八神在审讯中不发一言，令警方一筹莫展，只能进入他的家中寻找纵火的证据，谁知却在一间隐蔽的房间内发现了一个被监禁的小女孩。为了让女孩跨越心理障碍，开口说话，成海尝试着与之交流，打开她的心门。谁知就在沟通有条不稳地进行中时，自称女孩母亲的女人濑田亚唯子（星野真里饰）出现。 欲言又止、谨守沉默与三缄其口的背后，到底隐藏怎样的真相？。