Macy and Billie free Zane and the police investigate evidence proving Detective Murdoch's innocence.

Macy and friends meet new kid Miles, who joins their class assignment group. When an old newspaper and cryptic text lead the trio to the rebuilt time machine, they travel to 1910 and find a dead Macy!

Macy, Billie, and Zane return to the past, but find no trace of Morgue Macy! While searching for more clues, they find a confused Miles who accidentally time traveled to 1910 with them.