When a gangster's daughter reluctantly teams with a former Marine to find her kidnapped cousin, the combat veteran must overcome his own demons in order to rescue the child.。回国后的顾南汐工作四处碰壁，却阴差阳错的和爱恋自己多年的闺蜜的弟弟秦世琦走到了一起，从而展开了一场甜蜜又充满烦恼的恋爱。。