Struggling young lovers, Tom and Eve, must endure a 30-day scientific experiment. Room, board, $50,000 and a month alone together in research facility housing. What could possibly go wrong.

After a family tragedy, Chuck Wilson hopes to start a new life in Ashland Falls with his wife Maria and little sister Isabelle, but he quickly discovers that the town has a dark secret.

香港高级警司罗聪天触犯贪污条例，被迫逃往美国，其子罗宾在港夺得黑帮名册，赶往美国交给聪天，希望能洗脱父贪污的罪名，黑帮杀手亚健、小文追踪至美国。摧花狂魔魔鬼鱼四处作案，残害少妇。罗宾之弟米高和街头女霸王大姐大之妹一同遇害，罗宾与大姐大发誓要掀到凶犯。亚健、小文勾结美国黑帮暗杀了聪天，但名册却失踪，追查魔鬼鱼的罗宾又被亚健一伙追杀，在其腹背后敌之际，邂逅了聪天的义女珊珊，得知名册由她保存，罗宾与大姐大在警方的配合下消灭了魔鬼鱼，亚健一伙也被绳之以法。最后罗宾携带名册，只身上路……