David Portnoy, a 15-year-old birding fanatic, thinks that he's made the discovery of a lifetime. So, on the eve of his father's remarriage, he escapes on an epic road trip with his best friends to solidify their place in birding history.

　　当一个男人爱上一个订婚的女人时，他决定设计一个计划－回到过去在她遇见她未来丈夫之前追到她，透过他的才智与金钱，配合科学家教授多年来的研究，他将回到过去抢得先机，一旦回到过去，他会发现爱总是在他意想不到的地方…