Bosco Wong
Alan meets Nick Kuen Lik (Bosco Wong), a Taekwondo black belt who starts working as a security guard at the mall Alan works at. Nick develops deep respect for Alan and takes the initiative to acknowledge him as "big brother". The simple and honest Nick initially likes Sze's sister, who is a bit of a gold digger, but later falls for Sze. Meanwhile, another woman (Claire Yiu) falls for Long...