Bam chases after his best friend Rachel, but she manages to enter the tower before him, so he must complete a test to meet her at the tower.
Bam passes Headon's test and ascends to the tower's second level, where he meets Yuri and catches Khun's attention.
Rak throws a fit after Director Hansung Yu announces the test topic, and Bam tries to calm him down and bring the team back to focus on developing the right strategies.
The Crown Game competition begins and the first round ends with Anak, the sword-wielding man nicknamed Green April, sitting on the throne.
Khun and his friend Rak continue to fight to defend Bam, who possesses the crown, but his long-awaited confrontation with Rachel proves to be decisive in the fate of the game.
Job selections begin and the applicants grow closer despite their struggles with their duties, while at the same time someone watches them and contemplates the situation from afar.
Several days have passed since Anak and Endorsi's dispute ended, and as the next test approaches, dark clouds gather in Bam's life once again.
Team A is in awe of Ranker's power, Serena's hidden story is revealed, and the Regulars are ambushed during their expedition in the dark.
Endorsi kicks her teammate, and Endorsi recovers the Quant badge, and Team A wins.
As Rachel suffers a serious wound that may prevent her from walking again, Serena decides to leave the Inner Tower and give her knife as a parting gift to Shibisu.
The contestants must pass another test to reach the top of the tower, and during this they lose a lot and also learn many important things to climb the tower.
Endrosi faces a difficult decision, Yuri finally reaches for her weapon, and the Regulars continue to pave the way for Bam and Rachel, who may have the chance to climb together.
Rachel pushes Bam away as the test nears its end, so time goes back to the moment the tower doors opened, and Bam's life and the world Rachel saw are revealed.