Scarlett (Kate Hudson) lives in an apartment in New York City. She has a male neighbor, Stan (Jason Biggs), that is in love with her.He asks her out to dinner on January 31, and she agrees. During the dinner, she realized that he is way too obsessive about her so she breaks things off.The next morning, February 1, she finds a heart-shaped candy box with the number 14 on it along with a diamond necklace.She confronts him about it and he denies involvement.Over the next several days, she gets a new box of candy every morning with a numerical countdown each day.Fearful of her situation and sure of Stan’s involvement, she plots to kill him.She goes over to his apartment to eat dinner with him. However, she poisons him with strychnine.Exhausted, she goes back to her apartment and passes out.The next morning, February 10, she opens her front door to find a candy box with the number 5 on it.Panicked, she decides to run and stay with the only family she has, an uncle, a doctor named Mark, living across the state border in New Jersey.She decides to take her diamond necklace with her to possibly sell to support herself.She arrives and is received warmly but can tell something is off about him.Days later, on February 13, he tells her that he must work a night shift so that she would be alone for the night.That night, she is convinced that someone is in the house with her. When the clock strikes midnight, the power goes out.Looking for a weapon of some sort, she runs up to her uncle’s room and finds the last 4 candy boxes with the number 1 box lying on the bed next to a rose.She is startled by a noise behind her and sees her uncle standing in the doorway holding a syringe. He lunges at her but she dodges and knocks the syringe across onto the bed. He jumps at her again and grabs her diamond necklace that he gave her and tries to choke her with it. She struggles for air and she kicks him, freeing her as the necklace breaks. She runs and tries to leave but her uncle blocks the doorway. He pushes her back on the bed. She reaches around and picks up the syringe as he lunges on her. She stabs him in the heart with it and pushes the plunger as he falls over dead.