They say true love only comes once in a lifetime. Lee Hyukjae, aged almost to life's completion, with a household he refused to call home and a heart far from fulfillment, receives a letter with a deep connection to the biggest regret of his life — Lee Donghae.  With the hope that Donghae feels the same longing as he does, Hyukjae grabs hold of the glimmer of hope to reconcile with his