Mert, Bahar, Ege and Hale, who have graduated from law school, will take their last steps on this path where they want to be representatives of justice and start their internship to get a lawyer's license. The only place to go on this path for these four young people is the Yener & Tan Law Office, which was established together by senior lawyers Doğan and Tülin. Although the first goal is to work with the best in order to be the best, it will not be easy at all. In order to work with Doğan Yener, they have to pass his tough test and leave many rivals behind. Will Hale's self-confidence, Aegean's practical intelligence, Mert's instincts, Bahar's assertiveness be enough for them to pass this test?

On the first day of his internship, Mert got into such trouble because of Ceyhun that he endangered his friends as well as himself. Will Ceyhun sacrifice himself for his brother Mert? Will Banu reveal who she is hiding from her sister Bahar? Will Ege be able to preserve his privileges at the hotel? Who is the traitor behind the scene that infuriated Doğan Yener? Will Hale Yener & Tan leave the law firm? The team is tasked with a case during their first day in the office. This case, which is a unique opportunity for them to show themselves, will bring surprise developments for young lawyer candidates. Things are heating up at the law firm...

It is revealed who sent the video of the fight with Ege's terrific plan to Doğan Yener. Ege tries to hide the video that will burn his internships from Doğan Yener. While Mert and Bahar are tracking down Doğan Yener to help him with his case, they get into a lot of trouble. Hale sees Tahsin with a woman and tells her mother what she saw without wasting any time. Nuran follows Tahsin and catches a clue that will reveal his dark side. On the other hand, Mert and Bahar follow Doğan Yener in secret to help her case, but they get into bad trouble. Will the real killer who caused the death of Doğan and Tülin's daughter İpek emerge? Will Hale be able to leave her mother? Will Nuran be able to give up Tahsin in order not to lose her daughter? Will Bahar tell Mert that their house is a mortgage? How will this affect the relationship between the two?

Bahar and Mert, who started to follow Erkan Tüzün to help Doğan Yener, find Tüzün dead in their house. In the meantime, the duo, who are raided by the police, is taken into custody as a murder suspect. While waiting eagerly for what Doğan Yener will do after seeing her stay at Ege's law firm; Mert calls Doğan Yener and says they are in trouble and asks for help. Hale solves the whereabouts of Eşref Güner, an important witness for the TT Holding case, and cooperates with Ege and brings the witness to the court. With this move, Hale wins another victory against Tahsin Tayman, who lost the case. In honor of winning the TT Holding case, a small party is organized in the garden of the law office in the evening. While everyone is having fun, a voice message from Nuran falls on Hale's phone like a bombshell into the night...

At the small party held in the garden of the law office in honor of winning the TT Holding case, the voice message from Nuran to Hale's phone shatters the cheerful atmosphere. Doğan Yener learns from Prosecutor Koray that Erkan Tuzun's death report has arrived and that the man has been killed, according to the report. He also learns that a wedding ring and children's toys were found in the gift package during the searches made at his house. Doğan Yener's suspicions were confirmed. Erkan Tuzun's killers are İpek's killers. Doğan Yener gives his trainees a case file and tests them all with this case. At the end of the test, the better one will win and will have the opportunity to work with Doğan Yener in the next case. Which of the trainees, some of whom are very emotional and others ambitious, will be the winner? The veil of secrecy behind the deaths of İpek and Erkan Tüzün is lifted in this episode and the truth is revealed like daylight...