Life After the Loss

A story of a husband who lost his wife, who married his ex, who fathered a children not truly his.
A story of a wife, loved by everybody, was lost and considered dead.
A story of a girl, who never lost hope, who married the man of her dreams, but of her misfortune, was not truly loved by him.
A simple story made complicated by choice, by chance.
A game of fate, a trick of love.
But, truly, in the end love conquers all. How could love prosper? When all was lost and new things had come up. And one comes back to find that everything has changed. And one lost his self and had found out too late that he could've regained it sooner. And one had achieved her happiness, only to find out that one person can take it back again.
A lawyer who had been reported lost and believed to be dead. Her husband, a pediatrician, married again, tied himself to his former sweetheart and fathered the latter's child. An accountant, who, since their relationship, devoted herself to the same man who never gave her that much love as she had given.
How did their story start? How would it end?