Love is in the air... so what does Greg Heffley have to do with it? And despite the fact that the school is holding a dance on the occasion of Valentine's Day. And Greg needs to come to the party with his partner at all costs. However, all his attempts to invite one of the girls fail. Rowley, Greg's best friend, has the same problems, but that's little consolation. Which boy will be luckier in the end? And who is destined for the sad fate of the third wheel?