Downhill skier Sophie Scott has her Olympic dreams dashed when she is diagnosed with retinitis pigmentosa, a degenerative eye disease causing blindness. Although her friend Cam offers to help her train for the Paralympics by working as her seeing guide, she refuses and gives up on her skiing dreams. To make money, she cat sits for wealthy homeowners and steals expensive wine from them to resell, with help from Cam. Sophie answers an ad for a cat sitter placed by Debra, a rich woman in upstate New York leaving for a vacation after just divorcing her husband. After locking herself outside of the house, Sophie uses See For Me, a phone app that allows blind people to connect with sighted volunteers via video call. She is connected to Kelly, a gamer in Florida who helps her get back inside.That night, Sophie is awoken by three men breaking into the house. She calls 911 and reports the break-in, but the 911 operator tells her it will be a long response time due to the house's remote location. She hangs up and uses See For Me to contact Kelly again, but is caught by the men, who disconnect the video call. Kelly, desperate to help Sophie, contacts the police to have them cross reference 911 calls in an attempt to locate the house that Sophie is in. Sophie learns that the men have broken into the house to steal $7 million hidden in a safe in the wall. After checking Sophie's phone and seeing that she called 911, the men contemplate giving up the score and killing her. They call their boss, Rico, who tells them to let Sophie live as she has not seen anyone. Rico also instructs them to pack up their gear and come back later. Sophie convinces them to give her a share of the take in exchange for sending the police away. Sophie calls 911 a second time to cancel her initial report, but is told that the police have to respond even after a false alarm is reported.When the deputy arrives to investigate, Sophie lies and says there was no emergency. As the deputy is about to leave, Kelly's alert is radioed out and Sophie's lie is revealed. The deputy calls for backup and attempts to arrest the intruders but is killed by one of the men. Sophie escapes with the deputy's gun and calls Kelly for help. Kelly helps her shoot two of the men, while the third man finishes breaking into the safe. Kelly guides Sophie to the final robber, who opens the safe to take the money. Before Sophie can shoot him, her phone dies and her call with Kelly ends. Although the thief tells Sophie that he is about to leave, she shoots him when he reaches for the dead police officer's taser. She waits for the police to arrive, but is surprised by the appearance of Rico. Rico reveals that he is Debra's ex-husband and he hired all three of the robbers to break into the safe to steal his money back from his wife. He tells her that Debra did not know the safe or the money was in the house, and tries to convince her to let him take the money. Sophie refuses and cuts off the lights in the house, baiting Rico to pursue her. After running out of ammunition in her gun, she is caught by Rico and almost dies as he strangles her but gains the upper hand and bludgeons him to death.After recovering in the hospital, Sophie tells her mom that she has decided to try out for the Paralympics and plans to ski again. Her mom tells her that they will need money to buy all new gear, and Sophie clutches her backpack and smiles, implying that she took some of the money with her from the house. Shortly after, Sophie video calls Kelly to give her an update on her skiing progress, while Cam acts as Sophie's guide. (thanks to Wikipedia)