Kai becomes friends with Jo, Re's critically ill sister, bringing her closer to Re and together they suspect something fishy about the school's ranking system.
Kai and friends disrupt the mock exams to bring down the school ranking system and Kenan discovers a key individual close to Re is involved in its ruthlessness.
With the friendship of the five under threat, Ale still believes in the strength of their bonds. Kai finds faith in Ale while learning to open her heart to Re. Ale discovers that she and Aurora are united by a secret from the past.
