Supergirl

Kara Zor-El alias Supergirl (Milly Alcock) is disillusioned. Her life seems to have no meaning or purpose. After seeing her home destroyed, she was sent to Earth to protect her baby cousin. But he doesn't need any protection at all. After all, he is Superman - the most powerful being on the planet. She, on the other hand, is only seen on Earth as a revenant, a copy, a replica of her famous cousin. But then everything changes. An alien girl appears. Her world has also been destroyed and now she wants revenge. Because those responsible are still out there. She will not be deterred from her mission. But Supergirl can accompany her, perhaps save the girl from certain suicide and find an outlet for all her own hatred with the retaliatory action. So they embark on a journey into space that will shake them both to the core...