My Wife is 18 - Movie

AKA
Ngo liu poh lut gau ching

Summary
After finishing the open examination for Form 5 students and applying for an adult identity card, Yoyo, eighteen, departs for London to meet a guy introduced by her well-meaning parents in Britain. The guy, named Cheung, is in his thirties. Yoyo's and Cheung's grandfathers were wartime buddies. They swore to have their unborn babies get married when they grew up. However, the babies turned out to be both women. The two women are now mothers. They come across each other again and want to make their fathers' wish come true, so they arrange for Yoyo and Cheung to meet in London. Yoyo and Cheung promise to get married in order to please their mothers. But on the wedding day, they also sign a divorce agreement which is effective one year after their marriage. The pair wave farewell in the airport and Yoyo returns to Hong Kong to further her studies, while Cheung continues to write his unfinished dissertation. But they will meet again ...

Cast
Ekin Cheng ... Cheung
Stephanie Che
Bernice Liu ... Miss Lee (as Bik-Yi Liu)
Kin Wan Tang
Ronald Cheng ... Ben
Charlene Choi ... Yo-Yo
Sandy Lamb
Richard Ng
Patrick Tang