The Lazarus Effect (2015) is a supernatural horror film directed by David Gelb. The story centers on a team of medical researchers led by Frank (Mark Duplass) and his fiancée Zoe (Olivia Wilde), who develop a serum intended to revive the dead.

After successful experiments on animals, they decide to test it on a human subject, leading to a terrifying outcome when Zoe dies unexpectedly and Frank uses the serum to bring her back.

However, upon revival, Zoe begins to exhibit disturbing abilities and an increasingly malevolent personality, hinting at something dark that may have followed her back from the afterlife.

As the team realizes the horrifying consequences of their experiment, they struggle to contain the sinister force that Zoe has unleashed. The Lazarus Effect combines psychological horror with supernatural elements, exploring the consequences of tampering with life and death.