Set against the backdrop of the greatest clandestine race against time in the history of science with the mission to build the world’s first atomic bomb in Los Alamos, New Mexico. Flawed scientists and their families attempt to co-exist in a world where secrets and lies infiltrate every aspect of their lives.

Elegant, proper Grace and freewheeling, eccentric Frankie are a pair of frenemies whose lives are turned upside down – and permanently intertwined – when their husbands leave them for each other. Together, they must face starting over in their 70s in a 21st century world.