The Tryst (Grace Livingston Hill #40)
Grace Livingston Hill

Then, during a visit to a resort, Patricia encounters her childhood sweetheart, John Treeves! In desperation she tries to hide her identity from the young minister . . . but mysteriously their paths continue to cross.
Now Patricia faces a difficult decision: Can she trust this man she loved so much when they were young? Or will he somehow lead her into the very destruction she has tried so desperately to escape?