General Hospital spoilers tease that Spencer Cassadine (Nicholas Bechtel) has a secret, and Charlotte Cassadine (Scarlett Fernandez) will discover it! Spencer doesn’t go to school in the United States so we know it’s not anything about his other cousin Aiden Spencer (Jason David).

Spencer rarely visits with his aunt Lulu Falconeri (Emme Rylan) at her home, so the discovery is not likely to be there either. That leaves Windemere where Charlotte lives when her papa Valentin Cassadine (James Patrick Stuart) has her!

Windemere has many tunnels, secret entrances, and secret rooms and you can bet Spencer knows every one of them-he’s snuck out and back in many times in the past when he lived there with daddy Nikolas Cassadine (Tyler Christopher, Nick Stabile)! So whatever Spencer might have hidden that Charlotte discovers, it’s probably in one of those secret rooms-or could it be WHOever?

The secret could be a person. Windemere is a large castle, so it’s even possible Spencer could be hiding a secret about more than one person…or the persons themselves! It’s large enough and has enough secret passages and secret rooms that there could even be some individual apartments for people to live in.

Lulu and Liesl Obrecht (Kathleen Gati) escaped from the stables’ tack room where Faison (Anders Hove) trapped them with a gas canister to safety in the castle through one of them. All the time Nina Reeves (Michelle Stafford) lived there, she never discovered the secret rooms or tunnels, but perhaps Charlotte has!

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Then there’s the question of who that mystery Cassadine is who was last seen in a car patting Cassandra Pierce’s (Jessica Tuck) hand after taking her from the Canadian clinic where Hamilton Finn (Michael Easton) and Anna Devane (Finola Hughes) had found her. Other General Hospital spoilers had teased it could be one of three thought to be dead Cassadines; Victor, (Thaao Penghlis) who had once been the head of the WSB…..he is an older man and the hand looked too young to be his.

However, he could have been the one who intercepted her from the hospital the WSB had her in and transported her to the Canadian clinic. Stefan, (Stephen Nichols) may make more sense, besides, fans point to a picture of Nichols’ hand they have seen on his social media that looks like the mystery Cassadine hand. Nikolas, (most recently Nick Stabile, before that Tyler Christopher) but it doesn’t make sense for Nikolas to be involved in transporting Cassandra. However, he makes a lot of sense to be Spencer’s secret!

Valentin has given many hints that Nik is really not dead, citing no body, no proof; could Charlotte have discovered Nik’s secret apartment within the Windemere walls and confronted Spencer about it?

The time would be right for a Nikolas resurrection, with his mother married to a maniac impersonating his twin, and his sister needing a protective older brother to look out for her! Stay tuned to GH and keep checking General Hospital spoilers frequently to see if Spencer and Valentin have been hiding Nikolas Cassadine in Windemere all along!

As always, more detailed spoilers and a full collection of pictures for the week in question will appear here on Soap Opera Spy, where there will be more clues and hints over exactly what’s going on.