Tensou Sentai Goseiger: Epic on the Movie

Hearing a strange voice, Alata finds a mysterious girl and asks what is wrong. She introduces herself as Rasil before she runs off. Later as he thinks, Alata and the Gosei Angels are alerted by Datas when he detects Warstar. They head to Hokuto University due to a Warstar attack on a staff member of the mineral exhibit, having lost a rock similar to the exhibit's prized stone. The Landick Siblings realize the stone is a fake as Alata sees Rasil, who has the real one. Confronting her, Rasil reveals the stone is dangerous before they are attacked by Gyoten'o of the Supernova. The Goseigers transform, but are powerless against Gyoten'o as Deinbaruto of the Morning Star takes the stone from Rasil and unseals the Horn of Ragnarok from the two stones before the Warstar aliens take their leave. As the others are learn Hyde finding the Horn of Ragnarok is a doomsday weapon that cause several natural disasters which would destroy the planet, Alata chases after Rasil and learns that she was attempting to stop Warstar from getting their hands on the Horn.

Tensou Sentai Goseiger

In a dimension that is invisible to human eyes, called Gosei World, there are beings called Gosei Angels. They have super powers that humans do not have, called Gosei Power. Unknown to humans, they use their powers to protect the Earth and mankind from dangerous elements. To defend the Earth from the invading enemies, the Gosei Angels use a passage called the Tower of Heaven in order to travel between the surface and Gosei World.
However, a group of enemy invaders, called Warstar invades the Earth and destroys the Tower of Heaven. With the Tower destroyed, the Gosei Angels are unable to reach the surface. With no Gosei Angels, the Earth will be destroyed by these invaders. However, 5 young and youthful Gosei Angels, while in disguise, were visiting the human world before the invasion and rise up against the demons to protect the Earth. They are the heroes, the Goseigers!