热爱音乐的高风(谢霆锋 饰)理想是当一名音乐家,年幼时父亲离世,因为过度伤心而大病一场,康复后便就此失去了听觉。他一下子变得孤僻起来。后来他邂逅了喜欢跳舞的陈静(林嘉欣 饰),陈静性格开朗,对生活充满了憧憬。但好景不长,陈静因为车祸死去了。但七天后她就要参加一场舞蹈比赛的决赛,她希望可以借高风的身体让自己的灵魂寄居,让她可以参加比赛,高风答应了、高风也因为把身体借给了陈静,再次听到了音乐,却不肯弹奏音乐。鬼差要把陈静带走,高风誓死挽回。决赛当晚,静出场跳舞时由于体力不支倒下了,高风决定为她弹奏曲目……。所谓凶宅,就是里面曾经有人横死过的房子。传说这样死去的人因为阳寿并没有过完,所以会死得很不甘心。而“凶宅先生”江烁就是通过低价购入凶宅,然后将凶宅进行驱邪辟秽,转手再把房子高价卖出。
这天,江烁不听同伴秦一恒的劝阻,执意买下一栋异常便宜的小洋楼,误打误撞发现凶宅中藏着一个神秘墓室,并在其中遇到一个“女小鬼”。于是开始发生各种离奇的凶杀、阴邪、诡异事件……。While rowing out in the ocean, Mitch rescues an underwater photographer, named Linda, floating on some wreckage. Linda's somewhat disjointed, frantic story about something attacking her in an underwater cave which killed her partner and destroyed her boat is misconstructed by Kay Morgan, an ambitious, publicity seeking newspaper reporter, who creates a media frenzy by starting rumors about a "creature in the bay." Harvey Miller, the new lifeguard and prankster, benefits from the events by selling undersea creature T-shirts. Meanwhile, Shauni rescues a young girl from drowning and soon becomes compelled to rescue the girl, her brother and their mother from the life they live in the slums of South-Central L.A., much to Eddie's chagrin. While Shauni deals with her possessive father who disapproves of her lifeguard job, Mitch also pressures Captain Thorp to ask for funding for new advanced motorboats, called Scarabs, for the team.。