“You’re not leaving until you’re punished for your crime.” In this fantasy drama, Minnie finds herself in a struggle between her love of poisons for evil purposes and a vampire who believes in justice.

Wanna One always try their best to entertain all their fans as a sign that they appreciate them, but some people take advantage of their love to their fans. What will happen when a sasaeng attends the event and tries to poison one of the members?