In the midst of the chaos, Moira Dingle – who loved John deeply – received a letter sent after his death.

The letter left everyone breathless.

In the letter, John wrote:

“If you are reading this, it means I’ve gone too far to turn back. Don’t trust anyone, not even Robert. They want me gone.”

Moira was stunned, her hands shaking as she held the paper. She brought it to Cain, and from there the already broken relationship between the two became devastating.

Cain screamed: “Why didn’t you tell me sooner?! All these years I’ve lived in the dark because of your lies!”

Moira burst into tears: “I only found out the truth when I received the letter!”

The episode left viewers heartbroken when Moira went to the cemetery, placed the letter on John’s grave, and whispered: “I will find out who silenced you.”

Many fans believe that this letter is the “key” to unlocking a larger conspiracy – perhaps related to an organization hiding assets, or a secret from John’s past that he tried to expose.

If so, Moira will be the next to face danger, and Cain will have to choose between revenge or protecting the person he loves.