Tandem is a story about a boy named Zeke, who is 14 and loves to ride his BMX bike. His mother is dating a guy that he does NOT like. His dad gets out of prison after 7 years and decides that a bike trip is a good way for them to get to know each other. His dad was a "druggie' and Zeke is not sure if he wants to spend time with him, but he does because he's rather do that than have to be around his mother's boyfriend. The problem is, they have to ride a tandem bike through the mountains. A tandem bike has two seat, and both riders have to work together to ride the bike.