Valentineâ€™s Day is coming up and love is in the air between Beth Malloy and Josh Hatford. When they are spotted holding hands, Josh tells his teasing brothers that heâ€™s simply spying on the girls to see what theyâ€™re plotting next. When Caroline Malloy decides she must know what itâ€™s like to fall in love, too, poor Wally Hatford is in for it! Meanwhile, big sister Eddie couldnâ€™t care less about that mushy stuff. All she cares about is her sixth-grade science fair project. But when she comes up with a great plan, Josh and Jake Hatford horn in on her project. On the day the plan goes into action, little do the boys know that Eddie has a trick up her sleeve. And with daredevil Carolineâ€™s amazing attention-getting stunt, trouble is sure to follow. Get ready, the Malloys and Hatfords are at it again!