An estranged brother and sister reunite at their father's funeral and make a spur of the moment decision to fulfill their childhood dream of driving across Mexico on their old motorbikes.

一个有钱人的葬礼因一位神秘的拉丁美洲妇女的出现而间中断，他的儿子筹算通过弄清该妇女与已故父亲之间关系的确切性质来挽救其家庭的声誉。线索把他带到了墨西哥，在那边他震动地发明，在揭露她的身份的同时，他也爱上了一个属于他人的女人。