'General Hospital' spoilers for the week: Silas discovers Nina's secret, Franco and Sonny feud continues, Fake Luke mystery unravels

Port Charles remains as a place for scheming and secrets. The feud between Franco and Sonny continues and heats up, while other secrets unravel one-by-one. This is what will happen in "General Hospital" from Oct. 13 to 17:

Monday, Oct. 13

Liesl has a visitor and it's none other than Madeline, otherwise known as Magda, Liesl's estranged sister. Elizabeth gets news about the mysterious patient. Halfway around the world, Sam, Patrick and Tracy are waiting for Fake Luke when they make a new discovery.

Tuesday, Oct. 14

Nina's secret is discovered by Silas. Nina can walk, but Silas knows that there are more secrets that Nina is keeping. Silas confronts her about it. Also in this episode, Britt and Nikolas talk about their relationship. Will they finally decide to make it official or not?

Wednesday, Oct. 15

According to Celeb Dirty Laundry, Franco and Silas talk about Nina but they argue about it. Speaking of Nina, she is blackmailing Rosalie, the ex-nurse. Apparently, Rosa has some secrets of her own, too.

In addition, Ava's pregnancy is getting complicated as she starts to feel more pains. Ava and her baby are still in danger.

Thursday, Oct. 16

With Ava's pains getting worse, Morgan helps her find medical aid. But Morgan doesn't tell Sonny where Ava is. Nathan will also discover that Nina has been lying to him. Franco will call Michael and discuss a proposition.

Friday, Oct. 17

The week will cap off with Franco and Sonny still scheming against one another. Franco already has a master plan, while Sonny wants Franco to be killed although he is very careful to avoid being blamed.

But aside from Franco's and Sonny's schemes, Nina also has some schemes of her own. She contacts an ally to help her with her plans.