Through the Thorns to the Stars

The first episode of the film, called "Niya, an Artificial Human", is about the starship Pushkin which discovers a derelict alien spaceship of unknown origin in the 23rd Century. The alien craft's crew are identical humanoids created by an advanced cloning process. Most are dead, but one woman is found in a catatonic state. The leader of the mission, scientist Sergei Lebedev, brings her to Earth.

The second episode of the film, called "Angels of Cosmos", is about Niya who joins an archaeological expedition, where she has another flashback which reveals she is from the planet Dessa. She returns to find that a diplomatic mission from Dessa has just arrived at the spaceport to ask for help from Earth. She learns they will return to Dessa on the Astra, and stows away on the ship.