Christine wakes up afraid and disoriented in a U.S. government laboratory with no knowledge of how she got there or who she is. Though physically she's alone, she soon realizes there's another voice in her head, one who calls herself Jenn. Jenn cautions Christine they are both in mortal danger from soldiers from another world attempting to breach a vault in the facility. Jenn says the vault has a weapon that must be protected or the world faces destruction.Christine's...