Ushi Hirosaki has to marry according to Japanese tradition before her 30th birthday. Because time is running out, her family decides she has to marry a huge sumo wrestler. A rather unfortunate combination, so Ushi wants to look for a nicer candidate herself. She travels halfway around the world to find her dream husband. Along the way she does valiant efforts, for example to learn table manners and to lose her Japanese accent.

When a broke young couple rent a room in an elderly couples London house it becomes apparent no one is what they really seem.