Sebastian pays tribute to a previous girlfriend, trying to produce the movie that she inspired him to write. He enlists Natalia, an empathic producer and his right hand, to help produce the film for which they struggle to find funding. Ultimately they decide to stage a play based on the script. Still hurting from his recent loss, Sebastian decides that he can’t start a new relationship. He goes in the opposite direction and takes irresponsible bachelorhood to the extreme. Success and fame open the door to encounters with all types of women who seem to fill the void that is becoming increasingly apparent in Sebastian’s life. Throughout this journey, Sebastian becomes even closer to Natalia. She is his friend and partner but there is an undeniable romantic tension. Blinded by his career and newfound relevance, Sebastian loses touch with his romantic nature. After bottling up their feelings, during a night of drinking Sebastian and Natalia cross a line. While Sebastian wonders if they made a mistake, Natalia feels ready for a relationship.
故事发生在民国初年的上海，当时的上海官商勾结，帮会之间相互仇杀。具有强烈爱国心的武术世家传人马永贞（陈国坤 饰）与帮派之间展开了一场义薄云天的搏杀。初到上海，他得到青帮首领白癞痢（徐少强 饰）赏识，但他不为白的厚待所动，白极为失望，要逼他离沪。此时马永贞遇见蒋世光（刘腾远 饰），蒋欣赏马为人仗义，推荐部分兄弟结识马永贞。从此，马永贞本着“人不犯我，我不犯人”的信条闯荡在帮会林立的上海滩。清帮和五湖帮是上海最出名的帮派，他们手下弟子众多，控制着当时上海滩的经济命脉，面对马永贞的仗义直言和乐善好施，两大帮派将其视为眼中钉肉中剌，水火不能相容......
