Due to his rebellious youth, He Huan caused his mother to pass away while saving him and his younger sister to go astray. Filled with remorse in front of his mother's grave, after getting drunk, he unexpectedly was reborn back to the senior year of high school in 2007, and even carried a bank card with one hundred million in cash. Having gained a new lease on life, He Huan is determined to make up for all regrets. First, he makes a military pledge to his head teacher, vowing to break into the top twenty of the whole class by the final exams, and also applies to be a day student to focus on his studies. He Huan's road of rebirth and counterattack becomes increasingly wonderful in the process of protecting his family and starting a career.