Life is seems boring after graduating from Howlington Academy, but when strange creatures start appearing in Milford, Freddy reunites the old gang to investigate.

The kids are on their first mission when mysterious little creatures attack Cripp in the Wolfatorium. Little did they know the real targets were the wolves!

When Hotspur threatens to knock down Howlington, Freddy and the gang go in search of a truth-gas-burping frog that will reveal Hotspur's evil plan.

The Howlington Bureau of Investigation is open for business but their first call is a setup. Yapi, the scheming Shih Tzu, tricks them into doing his dirty work.

Following a prank lead from Priya, Freddy and Batty fear they've discovered a sewer dwelling monster. It takes Aggie's keen scientific know-how to get them out of this stinky mess.

The weird beasts, being kept secretly at Howlington, are hungry. Finding enough food for them is not easy, especially when the interfering Yapi threatens to expose the HBI.