For Sale by Owner(2006)

Be Careful Who You Let In...

For Sale by Owner is a thriller set in Emeryville, where a serial killer carves the number 13 into his victims' chests. Sara finds herself alone during a storm when Andrew, a real estate consultant, arrives uninvited to discuss selling her house—which isn't even on the market. She reluctantly lets him inside to escape the rain, but his agitation grows as he discusses a custody battle for his daughter. When John, a home security technician, arrives to fix a fuse, tension escalates further after a knife is discovered in his bag. As the three become trapped in a dangerous game of cat-and-mouse, Sara must determine which man poses the real threat. A final twist reveals the situation is far more complex than it first appeared, leaving viewers questioning who truly needs saving.