On the surface, Clara Barron seems to have it all: a job as an OB-GYN; a great house in LA; and a loving family. But, the one thing Clara doesnt have figured out is her love life. Pressured by a family wedding in Mexico, Clara asks a co-worker to pose as her boyfriend for the weekend festivities,- only to be caught by surprise when her ex- boyfriend (and family favorite) suddenly shows up after disappearing from her life pletely. Torn, Clara must decide between going back to the past or open her heart to new and unexpected possibilities.

五年前夏洛曾许诺送给马冬梅一屋子向日葵，五年后这份诺言在《神笔马亮》里得以兑现，怀孕的秋霞（马丽 饰）置身于向日葵花海里笑开了花，不知她是否知晓身旁这个和自己比心的大鹅玩偶正是自己的老公马亮（沈腾 饰）所扮