Wrongly thinking that Khaled is cheating on her, Ghada asks for divorce. Nour, Khaled and Badr try to find the third engineer in the team Elmi.

Khaled doesn't take well to what he learns from Ashraf. Later, Nour visits the nuclear reactor to check whether there's a duplicate of his father.

Khaled tries to contact the engineers who worked with him on the failed experiment. Without telling her who he is, Nour gets to know his mother.

The result of the paternity test leaves Nour and Khaled in shock. Later, they try to find an explanation for what is happening.

When Nour fails to convince Khaled that they're father and son, Badr proposes resorting to a DNA test to remove all doubt.

After running into his dad, Nour decides to follow him to confirm his suspicions. Khaled struggles to be taken seriously at work since his failed experiment.

Sound engineer Nour is plagued by nightmares of his parent's tragic death. Later, he gets ready to take his son Khaled to his first day at a new school.