Recovering from injury, Lilith is forbidden from entering the dangerous Undercity by her master Vivian, who urges her to rest while preparing for the upcoming Demon-Taming Trial at their noble estate. Rivalries escalate as Lilith faces disdain from Vivian's allies, revealing her status as the duke's illegitimate daughter and the original host's failure at the trial. As the family pressures intensify, Lilith must protect her strongest demon, Jormund, a dangerous giant serpent, or risk losing her inheritance and life. The episode ends with the ominous start of the trial, where power and survival hang in the balance.