Sixteen-year-old Henry travels to a strange city in search of his missing friend. Someone, or something in the city is stealing cars. Is the missing boy mixed up with the crime? Henry thinks something bigger is behind the thefts. Something with wings.
Violet the mermaid and her narwhal friend Wally investigate when the new playground equipment falls apart at the grand opening. They brainstorm ideas and write them down, and then ask questions and make observations to figure out what happened.