An Zhuo is a shy and polite teenager. His parents are very strict. In addition to normal classes, he has been supervised to learn English, Spanish and violin. Every day is full of classes. However, what he is really interested in is watching the sky with a telescope at night. One day, a super baby from outer space accidentally enters his world. Appears to be in the vein of E.T.

Ah Bee, a former superstar motorcycle racer who gave up on the sport after a bad fall on the track left him physically and emotionally scarred. Now Ah Bee is a self-loathing, boozing, gambling layabout with a faithful girl named Maniu, a spunky tomboy who cooks his meals, launders his clothes and constantly reminds him of what a loser he is. Of course, she needles him in an adorably sassy way, making her one of those awesome in-the-movies-only girls who'll love a man faithfully even if he's a boozing, gambling layabout.

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?