The Comanche warrior that Zack has been seeing in his dreams has begun to appear in real life, and as the line between his dream world and the real world blurs, the teenager embarks on a dangerous journey to resolve an old misunderstanding.

In 1898, on their way to the home of their aunt and uncle in Canada, spirit hunters Buck and Agate are called upon to face the Mosquito King, his growing army of vampire mosquitos, and their old nemesis, Coyote.

Four middle-school students, Gutters, Tad, Kayla, and May have formed a club known as the Braves and they take turns daring each other to do something mysterious. Kayla agrees to stay overnight in an Old Mansion but when the other three show up next morning, Kayla seems to be in a coma. A piece of paper nearby is marked with a huge letter K.

When an accident threatens to shut down Daniel and Aaron's favorite waterpark, they team up to find out who is behind the odd "accidents" that have been occurring lately.

In 1898, Buck and Agate go into the Canadian wilderness searching for their missing parents and find themselves in the middle of a life-and-death battle with the shape-shifting Wendigo and the even more evil Coyote.

When Mark first becomes the foster child of restaurant owners, he thinks they just want free help, but when he is wrongfully accused of trying to sabotage the business he is determined to find the true culprit.

As punishment for painting on public property in Chicago, Beto is sent to spend the summer with relatives in Fremont, Utah, where he discovers that rock paintings are being looted and decides to do something about it.