Best Mystery Movies of 2009

In a gritty and alternate 1985 the glory days of costumed vigilantes have been brought to a close by a government crackdown, but after one of the masked veterans is brutally murdered, an investigation into the killer is initiated. The reunited heroes set out to prevent their own destruction, but in doing so uncover a sinister plot that puts all of humanity in grave danger.

Harvard symbologist Robert Langdon is recruited by the Vatican to investigate the apparent return of the Illuminati - a secret, underground organization - after four cardinals are kidnapped on the night of the papal conclave.

The final candidates for a highly desirable corporate job are locked together in an exam room and given a test so simple and confusing that tension begins to unravel.

Two crew members wake up on an abandoned spacecraft with no idea who they are, how long they've been asleep, or what their mission is. The two soon discover they're actually not alone – and the reality of their situation is more horrifying than they could have imagined.

Ninja Assassin follows Raizo, one of the deadliest assassins in the world. Taken from the streets as a child, he was transformed into a trained killer by the Ozunu Clan, a secret society whose very existence is considered a myth. But haunted by the merciless execution of his friend by the Clan, Raizo breaks free from them and vanishes. Now he waits, preparing to exact his revenge.

Anna returns home after spending time in a psychiatric facility following her mother's tragic death and discovers that her mother's former nurse, Rachel, has moved into their house and become engaged to her father. Soon after she learns this shocking news, Anna is visited by her mother's ghost, who warns her that Rachel has evil intentions.

After a young, middle-class couple moves into what seems like a typical suburban house, they become increasingly disturbed by a presence that may or may not be demonic but is certainly the most active in the middle of the night. Followed by five terrifying installments in the franchise, this is the original found-footage shocker that started it all.

A teacher opens a time capsule that has been dug up at his son's elementary school; in it are some chilling predictions -- some that have already occurred and others that are about to -- that lead him to believe his family plays a role in the events that are about to unfold.

In her many years as a social worker, Emily Jenkins believes she has seen it all, until she meets 10-year-old Lilith and the girl's cruel parents. Emily's worst fears are confirmed when the parents try to harm the child, and so Emily assumes custody of Lilith while she looks for a foster family. However, Emily soon finds that dark forces surround the seemingly innocent girl, and the more she tries to protect Lilith, the more horrors she encounters.