Captain Wynnegate leaves England, accepting the blame for embezzling charity funds though knowing that his cousin Sir Henry is guilty. Out West he and the Indian girl Nat-U-Rich save each other from the evil cattle rustler Cash Hawkins and marry. Lady Diana shows up to announce Sir Henry's death. After Nat-U-Rich's suicide Wynnegate takes his half-breed son and Lady Diana back to England as the new Earl of Kerhill.

Hiroko Watanabe's fiancé Itsuki died two years earlier in a mountain climbing accident. While looking through his high school yearbook, Hiroko in a fit of grief decides to write a letter to him using his old school address. Surprisingly she receives a reply, not from the dead Itsuki, but from a woman with the same name whom had known Hiroko's fiancé in school. A relationship develops between the two women as they continue to exchange letters and share memories of the dead Itsuki.