A girl's class prepares for Memorial Day by learning about the holiday from their teacher and making flags, and later she goes to a war memorial with her father to honor those who died.
Thirteen-year-old Jenna is excited to have all of her friends visit her lake house for the Memorial Day holiday and local fair until she finds out her twin brother has invited David, her friend's boyfriend who she had a crush on.
When a local businessman and baseball coach disappears just before he is to portray Uncle Sam at the start of a Memorial Day race, ten-year-old Alex and his best friend Yasmeen investigate, despite their pact to stay away from mysteries.