Undercover Las Vegas police officer Vincent Downs is caught in a high stakes web of corrupt cops and the mob-controlled casino underground. When a heist goes wrong, a crew of homicidal gangsters kidnaps Downs’ teenage son. In one sleepless night he will have to rescue his son, evade an internal affairs investigation and bring the kidnappers to justice.
A nanny, working for a family whose son has just passed away, finds herself put in charge of caring for a lifelike doll that the couple treat as a real child.
After returning from a wedding reception, a couple staying in an isolated vacation house receive a knock on the door in the mid-hours of the night. What ensues is a violent invasion by three strangers, their faces hidden behind masks. The couple find themselves in a violent struggle, in which they go beyond what either of them thought capable in order to survive.
When Sara (Minka Kelly), a young design student from Iowa, arrives for college in Los Angeles, she is eager to fit in and get to know the big city. Her wealthy roommate, Rebecca (Leighton Meester), is more than eager to take Sara under her wing and show her the ropes. The two become close, but when Sara begins to branch out and make more friends on campus, Rebecca becomes resentful. Alarmed, Sara moves in with her new boyfriend, causing Rebecca's behavior to take a violent turn.
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A television reporter and her cameraman are trapped inside a building quarantined by the CDC after the outbreak of a mysterious virus which turns humans into bloodthirsty killers.
