When Lauren returns home to her flat in London late one night, she is greeted at the door by her husband, Michael. There’s only one problem—she’s not married. She’s never seen this man before in her life. But according to her friends, her much-improved decor, and the photos on her phone, they’ve been together for years. As Lauren tries to puzzle out how she could be married to someone she can’t remember meeting, Michael goes to the attic...

"With a plot combining science and the supernatural, four kids are caught up in a dangerous plan concocted by the eccentric inventor, Nikola Tesla"--