Back to the Future

Here is a rephrased version of the section:

In 1985, teenager Marty McFly (no stranger to disappointment) dwelled in Hill Valley, California, alongside his mother Lorraine, mired in depression and liquor; his siblings, whose professional and social aspirations had gone awry; and his meek father George, who was mercilessly bullied by the ruthless Biff Tannen. After his band's music audition fell flat, Marty confided to his girlfriend Jennifer Parker about his deep-seated fear of ending up like his parents, despite his own ambitious nature.

That fateful night, Marty stumbled upon his eccentric scientist friend Emmett "Doc" Brown in the Twin Pines mall parking lot. Doc revealed a time machine built from a modified DeLorean, fueled by plutonium pilfered from Libyan terrorists. As they conversed, a group of heavily-armed terrorists arrived on the scene, leaving Marty no choice but to flee in the DeLorean and unwittingly activate the time machine when he reached 88 miles per hour.

Upon arriving in 1955, Marty discovered that he had left behind the plutonium, rendering his return to 1985 impossible. As he explored the burgeoning Hill Valley of his youth, Marty encountered his teenage father and was dismayed by the bullying George endured at the hands of Biff. In a shocking turn of events, George fell into the path of an oncoming car while spying on Lorraine changing clothes, and Marty found himself knocked unconscious while trying to save him. He awoke to find Lorraine tending to his wounds, her infatuation with him growing by the minute.

Desperate for a way back home, Marty tracked down his younger self, Doc Brown, and managed to convince him that he was indeed from the future. However, Doc revealed that the only viable source of power capable of generating the energy required for time travel in 1955 was a lightning bolt. Marty pored over a flyer documenting an impending lightning strike at the town's courthouse, which would provide the necessary jolt. As his siblings began to fade from a photo he carried with him, Doc realized that Marty's actions were altering the future and putting his own existence at risk; Lorraine was supposed to tend to George after the car accident, not Marty. Despite their best efforts, early attempts at rekindling a romance between his parents ended in failure, further deepening Lorraine's infatuation with her future son.

As Lorraine extends an invitation to the school dance, Marty concocts a plan to feign inappropriate advances on her, allowing George to intervene and rescue her. However, this strategic ploy goes awry when Biff's gang locks Marty in the trunk of the performing band's car, while Biff forces himself onto Lorraine. Expecting to find his friend, George arrives only to be brutally assaulted by Biff, leaving him seething with anger and concern for Lorraine. After Biff's cruel treatment of Lorraine, an enraged George knocks him unconscious and escorts the grateful young woman to the dance. Meanwhile, Marty is freed from the band's car by the lead guitarist, but at a cost - his hand becomes severely injured in the process. Undeterred, Marty takes the musician's place on stage, performing with remarkable skill as George and Lorraine share their first tender kiss. With his future no longer threatened, Marty hastens to meet Doc at the courthouse.

There, Doc discovers a letter from Marty warning him about impending doom and, concerned for the consequences, tears it into shreds. In a desperate attempt to save himself, Marty recalibrates the DeLorean to return ten minutes prior to his departure from the future. The lightning strikes, sending Marty back in time to 1985, but the DeLorean suffers a breakdown, leaving him forced to sprint back to the mall. Marty arrives just as Doc is being brutally shot at point-blank range. Grief-stricken beside his friend's lifeless body, Marty soon realizes that Doc had managed to piece together Marty's note and wore a bulletproof vest to protect himself. As Doc revives, he takes Marty home before disappearing into the future once more in the DeLorean.

The next morning, Marty awakens to find that his family has undergone a remarkable transformation. His father now writes science fiction novels with confidence and success, his mother is fit and radiant, his siblings are thriving, and Biff has been reduced to a servile valet in George's employ. As Marty reunites with Jennifer, Doc reappears in the DeLorean, insisting that they accompany him back into the future to rescue their children from impending disaster.