Given the question: Build a movie plot around this: Who is harassing Ronnie? Larry, spends most of his time harassing Ronnie.
The answer is:
Sarah Pierce (Kate Winslet) is a hapless, stay-at-home mother in a small suburban Boston community. She had been working on a doctorate in English, but set aside her work to marry Richard (Gregg Edelman) and raise their 3-year-old daughter, Lucy (Sadie Goldstein). Her marriage falls apart when she discovers that Richard is addicted to online pornography. She meets Brad Adamson (Patrick Wilson), a law student who brings his 4-year-old son, Aaron (Ty Simpkins), to the park. Although Brad's marriage to Katherine (Jennifer Connelly) is loving and amicable, it has been lacking intimacy.When he is supposed to be studying for the bar exam, Brad instead plays on a local football team or sits and watches teenagers skateboard outside his house, fantasizing about being young and carefree again. Brad and Sarah become friendly and, on a dare, kiss in the park, scandalizing the other park parents. They are instantly attracted to each other, but resolve to keep their relationship platonic. One day, several parents panic when they see Ronald "Ronnie" McGorvey (Jackie Earle Haley), a sex offender who was recently released from prison, swimming in the pool with the children. After Ronnie is escorted away by two police officers, it begins to rain.Sarah and Brad take Lucy and Aaron back to her house and put the kids to bed. Brad looks at one of Sarah's books and finds a photo of him in it. While Sarah is drying towels in her basement, Brad kisses her and they have sex. Brad's friend Larry (Noah Emmerich) is a former police officer who was forced to retire when he accidentally shot a teenager at a local shopping mall. Now he is estranged from his wife and spends much of his time harassing Ronnie. Ronnie lives with his mother, May (Phyllis Somerville), who believes that meeting a woman his own age would cure him of his pedophilia. Ronnie knows this is futile, but agrees to on a date May has arranged for him with a woman named Sheila (Jane Adams).During dinner, Ronnie tells Sheila about his criminal record, and Sheila in return...