Lea is desperately searching for stability, a warm relationship and a reason for living. But she is floundering. Her life is meaningless, restless and aggressive. A brief encounter with Lukas develops into a closer relationship that takes her on a journey to a forgotten place, where the couple try to find out who they are, and recall a long-lost time.

约亨·沃尔特是德国银行的一名资深投资银行家，与其助手汤姆·斯莱扎克刚刚完成一笔大单。庆功会上约亨却突然跳楼自杀。全球范围内有多起银行家自杀的案例的情况下，外界纷纷猜测约亨的自杀原因，甚至有人怀疑是他杀。约亨的妻子对银行推卸责任的说法很不满，称约亨自杀前留下一封遗书，其中有涉及约亨真实死亡原因的银行保单。汤姆对其突然死亡也表示怀疑，天台拍摄到跳楼过程的摄像头也被移走。到底是自杀还是谋杀。