- Love is in the air - but what does that mean for Greg Heffley? A Valentine"s Day dance at Greg"s middle school has turned his world upside down. As Greg scrambles to find a date, he"s worried he"ll be left out in the cold on the big night. His best friend, Rowley, doesn"t have any prospects either, but that"s a small consolation. An unexpected twist gives Greg a partner for the dance and leaves Rowley the odd man out. But a lot can happen in one night, and in the end, you never know who"s going to be lucky in love.