Despite their different family backgrounds, four friends grew up together in the wearisome years of the 70s. But as time goes by, each of them takes a different life path.
Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo, a woman he meets through his work.
Frustrations and feelings collide when a dynamic PR executive finds herself working with her irksome nemesis — who happens to be a megastar client.