The Pye-Dog, produced by Teddy Robin and written and directed by Derek Kwok, contained all the necessary ingredients for a story of friendship and camaraderie between a man and a boy. Both orphans, they bond together through school, but a secret one of them has of his true intentions threaten that established friendship, with a questioning of loyalties.
The movie continues the story from the TV series which ended with a cliff hanger where the wife (Sonia Sui) was deciding whether to return to her cheating husband (James Wen) or have a relationship with her boss (Chris Wang). 4 years after the divorce, her cheating husband, Wen Rui Fan, comes back in hopes of re-kindling their love. Will An Zhen return back to him or move on to a new love?