High school student Shi Miao has a love-hate relationship with her brother Shi Fen, who embarrasses her in front of popular classmate Wang Keke.
Shi Fen bribes a classmate for advice on wooing his crush and bickers with Shi Miao over meal coupons -- but decides to be the bigger person.
Gullible Wan Sui arrives at school with his wunderkind brother to see how the other half lives. But thanks to Shi Fen, he faces the silent treatment.
The clock ticks for the bathroom-door vandal to turn herself in. When You Le asks Wan Sui for his phone number, Shi Fen decides to show him who's boss.
Miao Miaomiao sees Shi Fen scuffling with Shi Miao and mistakes him for her boyfriend. Shi Miao shares an essay about her and Shi Fen as children.
Wan Sui returns from Shi Fen's birthday night with misguided notions about ordinary life. Wan Xing is alarmed by Shi Fen's influence on his brother.
Wan Sui tries to look after an ill and drowsy Shi Fen. Wang Keke turns the class against Shi Miao, who's prepared to audition for the class promo video.
You Le agrees to a date with Shi Fen if he raises his test scores. Shi Miao helps Miaomiao with a recording and finds a new talent that earns her fans.
Shi Miao bombs her tests and takes her anger out on Miaomiao, who's at the top of the class. Shi Fen's friends help him track down his missing exam.
Shi Fen grooms himself for the beach outing, but Shi Miao wakes up with an inferiority complex. Cheng Haonan is suspicious of Wan Sui's real identity.
Shi Fen's class is assigned to military training. When Miaomiao gets emotionally attached to the chickens she's feeding, Shi Miao helps her free them.
An inebriated Wan Xing tells Shi Miao she lacks female role models in her life. Shi Fen helps Wan Xing find a phone signal for a charitable transaction.
Rumors swirl around a haunted building at camp, and Wang Keke tricks Shi Miao into entering the site, where a masked man goes after Wan Sui.
Zhen Kaixin faces pressure on all fronts when his mom forces him to quit basketball, and Shi Fen must fill his shoes -- but his coordination is rusty.
Shi Fen has trouble convincing the team to play a tougher defense, but the coach is on his side. Wan Sui gives the security guard cupping therapy.
On game day, Shi Miao gives Shi Fen her charm bracelet, which nets mixed results. At a critical moment, Kaixin barges onto the basketball court.
During a time-suspended slam dunk, Shi Fen reflects on his friendship with Kaixin, whose mom has a change of heart about her son playing basketball.
Shi Fen bonds with the school security guard on a sailboat and convinces himself the man could be his real dad, but something smells fishy to Shi Miao.
Shi Miao schemes to expose the security guard, who reveals to Shi Fen his troubled past and his connection to Wan Sui and Wan Xing.
Wan Yi falls asleep from spiked beer, and Wan Sui is abducted. The Wan brothers' mom calls the school doctor, driving a wedge between her and Wan Yi.
Shi Fen is puzzled by Wan Sui's high-spiritedness, despite Wan Yi's absence. Shi Miao asks Kaixin to cosplay over break, but he has other plans.
During the Lunar New Year, Shi Miao dislocates her shoulders posing for photos. Shi Fen arrives home to find his dad beaten by debt collectors.
Miaomiao speaks to Wan Sui in an alternate dimension. The siblings face a financial dilemma, but Shi Fen forbids Shi Miao from using her travel fund.
Shi Fen comes up with a homework copying scheme to help pay for Shi Miao's fees. Hao Ren loses faith in humanity when rumors swirl around Mr. Lu's past.
Shi Miao's grades improve. After arguing with his mom, Wan Xing leaves home with Wan Sui in tow, but discovers his bank accounts have been frozen.
The Shi siblings get lost on the way to their grandpa's town. Wan Sui's mom makes him choose between school and Wan Yi -- but Wan Sui wants it all.
When Shi Miao suddenly goes off the grid, Shi Fen plays detective to track her down, only to find his sister has completely transformed.
Shi Miao pushes everyone away at school and assumes a rebellious persona under the tutelage of Sister Fang -- at the cost of sibling relations.
After a heated argument with Shi Miao, Shi Fen moves out to stay with their mom and her zany, wealthy, aggressively doting husband, Mr. Wang.
As her friends keep the accident a secret, Shi Miao sees visions of Shi Fen and visits a clinic, where she finds a helmet that's said to erase memories.