After meeting at viral influencer Reem’s birthday party, Youssef, Yasine and Nour come together when they find a box filled with mysterious items and an ominous message.
The group ask around different agencies looking for Arwa's foreign worker, Leah, hoping she will tell them what happened during Arwa's final confrontation with Salah.
Upon arriving to Alexandria, the group map out how they’re going to break into Salah’s villa. Hala has a health setback and the doctor shares disheartening news with Yasine.
The group want to talk to Mariam to find out what truly happened between Khaled and Alia. Youssef gets a worrisome call from Hassan. A third box appears.
Hala’s health setback pushes Yasine to change his behaviour towards her. Nour finds documents in Youssef’s things that raise her suspicions against him.
After the group get turned down by the police, they decide to post a video on Reem’s YouTube page. Youssef and Nour confess their feelings for each other.
The group rushes to Reem’s house to find that the killer left them a threatening letter, but Youssef insists that they should keep going with their investigation.
Upon learning of Hala’s disappearance, Youssef and Nour hurry to the meet Yasine at the police station. Later, the group uncovers the secret behind the key in the final box.