A man is brutally murdered by an unseen assailant. We glimpse the murder weapon: A steel spearhead with a scythe-like hook on the side, mounted on a shaft. Some days later and Jack Taylor is returning to his beloved Galway after having been away for a year. Jack is clean and sober. Now he's back, off the booze and determined to stay away from trouble| determined not to get suck...。运送精神病人的大巴半路弄丢了一位病人,黑心司机把正常人程笑骗上车,当作替罪羊送入精神病院。在医生面前,程笑使劲浑身解数证明自己没病却百口莫辩。程笑最终被确诊为臆想症,与每日“接收月球信号”的病友高恺住在了一起。从此,程笑疯狂的精神病院逃跑计划正式展开……。