David Ingram

In the climactic conclusion of the two-part Season Four finale, the Fringe team is pushed to their breaking point as they desperately attempt to prevent a catastrophic event that threatens the lives of everyone.

Clark discovers that Davis is still alive and confronts Chloe about protecting him. Oliver discovers Jimmy breaking into Chloe's apartment, and things rapidly get worse after Davis jumps from the shadows and attacks both of them. Plus, Davis asks Chloe to leave town with him.

Kennex and Dorian investigate a crime scene involving a self-guided bullet that can track, target and kill specific people at any moment. Meanwhile, Maldonado revisits the deadly ambush that almost killed Kennex.

Aurora, a librarian, was presenting her analysis of past crimes at the “Real Murders Club.” Her analytical skills were highly regarded within the club, and she had become such a prominent figure that she was expected to become the next club president. Aurora was invited to the home of Jane, an older member of the club, who presented her with a book about female murderers. That night, Aurora's best friend Sally came to tell her the news that Jane had died.

When the Tulip transports a team of negotiators to a secret summit, members of the delegation are mysteriously killed one-by-one, Agatha Christie style.