Isabella (2006)

On the eve of Macau's handover to China, police officer Shing is having the worst time of his life. Suspended for suspected corruption, he tries to find solace with an elfin creature by the name of Yan, whom he just picks up. As he tries to smooth-talk her to bed, she suddenly snaps back with the biggest turn-off imaginable: that she is the daughter he never knew existed!While Shing desperately tries to hold himself together, his bachelor life inevitably falls apart as Yan insists on living under his roof. Together the two of them start roaming through exotic Macau, tracking down Yan's missing puppy and striving to acquaint with each other. No sooner has Shing grown into his new role as a father than he finds his hands full: when Yan is not fighting with his girlfriend Kate, she is being bothered by her dorky classmate Fai.