Physics wunderkind Fleur Robins, just a little odd and more familiar with multiple universes than complicated affairs of the heart, is cast adrift when her project to address the climate crisis is stalled. Worse still, her Ethiopian-born fiancE Assefa takes off right after her 21st birthday party to track down his father, who's gone missing investigating Ethiopian claims to the Ark of the Covenant.

Fleur is left to contend with the puzzle of parallel worlds, an awkward admirer, and her best friend Sammie's entanglement with an abusive boyfriend. Assefa's reconnection with a childhood...