Sailor Moon Crystal (2014)

S3E6 Act 31. Infinity 5 - Setsuna Meiou ~Sailor Pluto~

The Sailor Guardians are on a mission to prevent a plant named Tellu from taking the Hostes from humanity. At the same time, a college student named Setsuna Meioh is researching the Sankakusu Delta, but she soon becomes another target of the Tellu plant's sinister intentions.