'General Hospital' spoilers: Franco doubts Nina, Carly suspects Hayden, Jake wants to know more about Robin

In Port Charles, suspicion is in the air. No one really knows who's telling the truth and who's lying. For fans of "General Hospital," they know that when it comes to the Port Charles residents, nothing is always the real deal. Here are the spoilers for the week:

Franco and Nina aren't doing so well. Franco starts to doubt if Nina is telling him the truth and Nina feels bad about it. Franco realizes his mistake and will make it up to Nina. But the truth is, Nina met Obrecht to talk about their hidden secrets and threatened one another, while Franco was busy making a deal to put his plan into motion.

This week, Sabrina and Felix investigates what really happened to Michael. Someone tampered with his allergy meds and they'll get to the bottom of it. Meanwhile, Alexis will try and talk to Michael about ELQ. Also, another person doing some investigating is Dante, who wants to know more about the people surrounding baby Avery.

Olivia is still having problems with her blackmailers. Julian will offer to help her, but she doubts Julian's motives to help her and is hesitant about it.

Also this week, TV Source Magazine reports that Hayden will reveal her motives to someone. Carly, suspecting Hayden's motives, will investigate the truth.

The next doubter is Sam. She now moves in with Patrick and Jake helped her. But during the move, Jake stumbles upon a photo of Robin. He immediately wanted to know more about Robin. Does he know her?

Elsewhere, Luke is waiting for news about his future. Sonny will visit Luke and try to find out why Luke did all those things.

These and so many more things are happening this week on "General Hospital." Tune in to ABC every weekday.