American girl Lauren (Diane Lynn) came to live in France with her mother's remarriage. Lauren is introverted and doesn't have many friends. So when she moved to France, she met the local boy Daniel, and her life changed. Because the two young men fell in love. An old gentleman, Josie (Lawrence Oliver) tells them an affectionate legend: if lovers kiss on the bridge of sighs at sunset, their love will be Tian Chang Di Jiu (Eternal Dumpling). With Jusai's help, they went to the sigh bridge in Venice. Lauren's mother thought her daughter had been kidnapped. When the police tracked it all the way, they found that Jusai was originally a thief, but this time he really wanted to help a couple of lovers. Things take a long time, and finally, can Daniel and Lauren achieve the romantic kiss they have been waiting for for a long time?