Sarah was once a scholar of typical suburban women's behavior, and after the birth of her daughter, Lucy, she quit her job and returned home as a housewife.
Every day, she would take her daughter to the Walker Street playground and play with other children.

All the children's mothers were interested in the handsome and mysterious Aaron Dad.
Sarah initiates a conversation with Aaron's dad, learns his address, and learns his name is Brad.
Brad's wife, Kathy, is on the public broadcaster and does documentary work.
She had always hoped that Bled would pass the bar exam, so every night when she came home, she asked Brad to go to the community library to review her homework.
Brad, who had finished law two years ago and had failed two exams, did not like the legal profession at all, and never entered the door of the library at his wife's request.
Every night, he stood in front of a group of boys with textbooks and watched them skateboard.
Sarah is short and lacks femininity, her eyebrows are unusually heavy, and her figure is not as feminine and slender as Casey's.
But the first time Brad saw her, he developed feelings for her. Not long after they had chatted, they kissed each other in front of all the children's mothers.
After Marrying Her husband Richard, Sarah has been living in a luxurious villa left by Her mother-in-law At the Top of the Hill No. 2.
She lived a comfortable life that many women envied, but she did not experience the joy of marriage at all.
Richard divorced his ex-wife and then came together with Sarah.
Eleven months ago, Richard was doing research for a consulting firm and stumbled upon a love website.
Whether it was in the company or in the study at home, he couldn't help but look at the website, a female model named Kai, to satisfy herself.
Sarah inadvertently breaks into her husband's study and sees her husband in women's briefs doing everything he's doing.
After this embarrassing incident, the couple began their married life of sleeping in separate rooms.
Unable to resist her husband's indifference and unusual behavior, Sarah wore the red swimsuit that Richard liked and went to the community pool where Brad took Aaron to play frequently.
They brought each other children, got to know each other, and Lucy and Aaron became very good friends.
Until one day at noon, when it suddenly began to rain heavily, Brad took Aaron to Sarah's house, and the two finally broke through the last moral bottom line and had a relationship.
Ronnie, 48, was jailed for indecent exposure in front of minors and returned to the community after serving two years in prison.
All parents with children strongly object to their proximity, with x perpetrators living in their neighborhoods.
Community police issued a warning to Ronnie, forbidding him to go near playgrounds, schools, recreational venues and other places where children gather. They can't restrain Ronnie's behavior and arrest him.
Ronnie's mother, May, has always been very fond of her son, she takes care of Ronnie's life, and wants to find a wife for him before she dies, so that he can live a normal life.
She was at the Hecri Restaurant, booked a seat for her son and Sheila, and arranged for them to meet.
Sheila was invaded as a child, and in her third year of college, she had neurological problems and had been on medication.
Ronnie and Sheila finished dinner, and after hearing what had happened to Sheila, he couldn't help but climax in the car and w in front of her.
Larry, who used to be a police officer, mistakenly took an 13-year-old boy, Anthony, as a gangster and shot him to death at the mall.
Larry lost his job as a police officer, but he never forgot his duties as a police officer.
He played rugby with his former colleagues every night, and to satisfy his inner yearning for a police career, he formed the Worried Parents Committee, which secretly monitored all of Ronnie's actions.
His wife, Joan, persuaded him to find a job and live a stable life.
He was never able to extricate himself from the mall shooting. Three psychologists diagnosed Larry with post-traumatic stress disorder.
He went to Ronnie's house five or six times a day, and all his emotions were vented to Ronnie and his mother, May.
Joan eventually couldn't bear the pressure of life and took her son and moved out of their house.
Casey slowly discovers the anomaly in her husband Brad's relationship with Sarah, and in order to prevent Brad from continuing to cheat, she invites her mother to the house and stays with Brad at all times.
Next month, Bled will take the bar exam. In the evening, while playing rugby with Larry, he met Sarah, who had been away for many days.
Sarah is obsessed with Brad, and she hopes that Brad, taking advantage of this opportunity to go out for the exam, elope with her and start their life again.
Brad was only concerned with making out with Sarah and forgot about his meeting with Larry at the bar.
Larry was upset because his wife had run away from home, and drove directly to Ronnie's house in the middle of the night.
May heard Larry calling out her son's name with a loudspeaker and walked out of the house to argue with Larry.
Because of her anger, she had a heart attack and lost her life.
His mother died, and there was no one in the world with Ronnie. He washed the dishes left by his mother and cried and came to the Walker Street playground.
Sarah took Lucy to the Walker Street playground, waiting to meet Brad when she bumped into Ronnie sitting on a swing.
Frightened, she came to Ronnie's side, and when she saw Ronnie crying in pain over the death of her mother, she suddenly realized how important she was to Lucy.
She abandoned her agreement with Brad, took Lucy with her, and drove home.
Brad took his luggage and left the house, and couldn't help but stop as he walked to the skatepark.
The boys saw Brad, who had been standing outside the field, and invited him to skateboard with him.
Brad can finally do what he likes, but Brad, who has no skateboarding experience, just got on the skateboard and fainted.
The boys call an ambulance, and Brad, lying on a stretcher, suddenly misses his wife, Kathy, and his son, Aaron.
Before getting into the car, he asked the paramedics to help him contact his family, and he also truly returned to his family after this injury.
May's death awakens Larry from his drunkenness, and he suddenly develops sympathy for Ronnie, who was once a criminal.
In the evening, he came to Ronnie's house, knocked on the door and went inside, but could not find any trace of Ronnie.
He searched around and finally saw Ronnie on the swing in the Walker Street playground.
Covered in blood, Ronnie castrated himself in order to prove himself to the inhabitants of the community that he would never again do harmful acts to children.
Larry picked up Ronnie and rushed out to the nearest hospital, knowing that this would be another chance god had given him to race against time, and he would have to save Ronnie.
Everyone makes mistakes, but everyone has the right to live.