Secret of the Red Arrow

Teenagers Frank and Joe Hardy are supposedly “retired” from their detective work. But there is a new mystery in Bayport that needs their investigative expertise—and fast!

Starting with a bank heist, a series of alarming pranks have popped up around Bayport. Ultimately harmless, the pranks turn out to be the work of Seth Diller, an amateur filmmaker who plans to make “zillions” from his reality-horror flick, which he’ll use to help out his brother, a wounded Marine.

But after t…