Ritsuka is tricked by a mysterious blue-haired man, later revealed to be Roen (Cerberus), who is working for a different master entirely.

The episode focuses heavily on Ritsuka’s family history and the growing tension between the human and devil worlds:

[Spoilers] Dance with Devils - Episode 4 [Discussion] : r/anime

It is revealed that Ritsuka’s close friend, Azuna , is actually working with Lindo to keep Ritsuka under watch, leaving Ritsuka feeling isolated with few people she can truly trust. Review Highlights

Reviewers generally find this episode "fun" but note it struggles with balancing its campy musical elements and its more serious plot points.

Lindo’s protective nature takes a dark turn as he attempts to lock Ritsuka in the house for her safety, using holy water to keep the devil student council members away.