Hans Harker is the son of famed Vampire Hunter Jonathan Harker. Jonathan was killed while trying to destroy Count Dracula so Jonathan dedicated his life to destroying the vampire lord. However, he is confined to a wheelchair. He recruited Rachel Van Helsing, Frank Drake, and Elijah to his cause. They operated out of his mansion in Boston. He tracked Dracula to a church where they were defeated. They then tracked him to New York City and followed him to Transylvania. Hans sacrificed his life to destroy Dracula by stabbing him with a silver stake then using bombs in his wheelchair to destroy himself, the vampire, and the Count's castle.