Youssef prepares for an important meeting to present and discuss the new, improved versions of Laziz and Zumba and the possibility of making more robots. Meanwhile, Sarah shows symptoms that may turn their lives upside down.
When Sameh, the inventor of the robot "Mateen" appears, Youssef has a dispute with the company and he leaves the meeting. As Sarah goes to the doctor, Abla, to take a pregnancy test, Hadir still loves Laziz.
As Youssef and Zumba go to see Sarah at Dr. Abla's clinic, he learns that Sarah is pregnant. Meantime, Hadir and Alaa try to leave work early in various ways, but Laziz catches them every time.
While trying to make Sarah's wish come true, Zumba kidnaps a child from his mother, causing a chaos among everyone on how to return the child back.
After Zumba kidnaps Karim from his mother, Youssef and Sarah, with the help of Alaa, Hadir and Hadi are able to return him without letting his mother know that he was at their house all this time.
After Sarah gives her sister a hard disk that holds private pictures of Youssef and something goes wrong, Youssef and Sarah go with Zumba and Laziz on a journey to find the hard disk before the pictures of Youssef go public.
After a long and hard day, Youssef and Sarah arrive home to find Sarah's sister, Gigi, her annoying husband Ihab, and their son. Therefore, Youssef gets mad for their presence, as he wants to sleep early for work.
The financing company organizes a contest between Laziz, Zumba and the robot Mateen to decide who will get the funding. Laziz and Zumba win, even though Sameh, the owner of the robot Mateen, knew the terms and content of the contest in advance.
When Sarah fights with Youssef, and he asks for a headache pill, the former gives him a medicine that Dr. Abla gave her which makes him more sensitive. Therefore, Youssef acts strangely and comic paradoxes happen.
As Sameh deceives Youssef and convinces him that he came to reconcile with him, he ruins Laziz's socket so Youssef cannot charge him but he goes to Chinatown to buy a spare part. The next day, Youssef is saved by Zumba when Sarah hits him with the car.
Youssef wakes up after the accident and everyone is surprised that he lost his memory, where he does not know himself, his wife, Laziz and Zumba. Sarah tries in every way to restore his memory, but she fails.
Comic paradoxes occur when Sarah is advised by Dr. Abla to take Youssef to his company to help him regain his memory, but her plan fails, while Alaa and Hadir use this to their advantage and convince him that he is just a courier and that Alaa is the CEO while Hadir is his secretary.
As Youssef regains his memory and he hides it from Sarah, Zumba hears him talking to Laziz about it. So, Zumba tells Sarah about the matter, and the latter tries to convince Youssef that she also lost her memory, but he figures it out in the end.
When a gang called El Maqatiae breaks into Youssef's company in search of Hadi, who escaped, for an old vendetta between them and his family, they take Youssef, Laziz, Alaa, and Hadir as hostages in their village until Hadi comes.
As the elder of El Maqatiae requires the group to carry out a handover of antiquities in order to release them, which Youssef and Laziz carry out, the elder keeps them locked up until Hadi appears. Everyone is surprised by the elder's pardon for Hadi when he turns himself in, and lets them go.
When Alaa tries in various ways to take a vacation, and his request is rejected every time, he feigns illness and fabricates the tests and tells them that he will die soon. So, everyone tries to appease him, and fulfill his wishes until they discover his scheme, and he falls into the evil of his deeds.
As engineer Sameh offers Alaa to spy on Youssef in exchange for a large sum of money, he agrees at first, but after Zumba and Laziz win a round of the competition, Alaa tells Youssef who convinces him to become a double agent.
As Youssef learns from Laziz that he and Hadir agreed to hold their engagement today in her house, he goes to the engagement with Laziz and Sarah, while Sameh takes advantage of their absence and tries to break into Youssef's house to learn the secrets of his work.
Sameh breaks into Youssef's house with Mateen and searches for Youssef's design, but with no success. When Zumba sees them, she beats them so severely that they flee. Meantime, Youssef, Laziz and Sarah meet Hadir's family and comic paradoxes occur.
When Youssef brings Sarah a car driving instructor so that he may have a break from her requests on his day off, Sarah gives the instructor a hard time. Meantime, Sameh kidnaps Ziad and haggles Youssef to hand him over in exchange for Laziz and Zumba, but things don't go as he planned.
An important investor named Rita El Helw comes to the company to offer Youssef a billion dollar investment in Laziz and Zumba's project. As it turns out that she is a swindler named Abeer, who is sent to steal information from Laziz, but she fails.
As Sameh requests, Abeer tries to sneak into Youssef's house in his absence with Sarah and gets information from his laptop. At the end, Youssef conspires with Abeer against Sameh after he exposes her.
Sameh agrees with a hacker called Virus to hack into Laziz and Zumba's system, while Youssef and Laziz prepare to receive a delegation from India at the company. When Virus succeeds in hacking both Laziz and Zumba, he controls them remotely with Sameh.
When Virus and Sameh hack and control Laziz and Zumba, they cause problems for Youssef in the company and Sarah at home. Above all, Virus makes them give wrong answers and lose the competition, but Youssef eventually exposes him and he gets arrested.
After watching the Newton's Cradle series, Sarah is excited about the idea of traveling to America to give birth, like the protagonist in the series. But after she dreams that due to a mistake from Zumba and a misunderstanding, they are accused of terrorism and arrested, she retracts the idea.
When Sameh hires two beggars, one of whom throws himself in front of Laziz's car and claims he hit him, Youssef takes them home for fear of getting reported to the police and Laziz would be revealed. Youssef has to wait with them, but he sends Sarah with the robots and they win the competition.
As Sarah is suspicious of Youssef when she hears him talking to a woman on the mobile, she creates a fake account on Facebook to talk to him. When he responds to her, she is sure that he is cheating on her. It turns out that Alaa is talking to her from Youssef’s account, but she does not know.
Sarah grows suspicious of Youssef, and she ambushes him to catch him in the act, but it turns out that he agreed with their neighbor to hold a surprise baby shower for her. While Alaa bribes the judge of the competition, thinking that he is helping Youssef, the plan turns against him.
Youssef fires Alaa for what he did and their loss in the previous round. Youssef surprises Sarah with Asser Yassine's look-alike, and she thinks that he is the actor. As Sameh plots an accident, he hires a man who hits Laziz with his car to win the last round.
When Sarah collapses after Laziz's accident, she's taken to the hospital and she gives birth to triplets. Youssef wins the final round of the competition and Sameh is arrested for plotting the accident. As Youssef fixes Laziz and Mateen, he makes a new robot called "Laziza".