Hazel and Gus are teenagers who meet at a cancer support group and fall in love. They both share the same acerbic wit and a love of books, especially "An Imperial Affliction", so they embark on a journey to visit an author in Amsterdam.
Determined to ensure that Superman's ultimate sacrifice wasn't in vain, Bruce Wayne recruits a team of metahumans to protect the world from an approaching threat of catastrophic proportions.