神探夏洛克第四季第二集百度云

The series is set in the fictional town of Port Devine on the Northern Ireland coast and will focus on Port Devine's police department – and the mysterious arrival of English Detective Constable Alimah Kahn, the first Muslim police officer in the town's history. The character-led series combines a long-running serial narrative with self-contained crime stories in each episode.。十年前李忍的父亲被村霸胡老三和胡天欺凌至死，李忍因此患有精神病，出院后本可以和母亲相依为命，好好生活，却再遇出狱的胡老三上门找茬，在胡老三和儿子胡天一而再再而三的欺辱下，李忍病情复发，面对急需就医的母亲和拦路不让走的恶人，他又将如何抉择..。