Despite his reputation for brilliance, Ji YuMing never expected to capture the attention of Shen YiChen - the notorious school bully. Their destinies become inextricably linked through a shared "diary," which brings them together and intertwines their lives. As Shen YiChen persistently taunts him, Ji YuMing begins to question rumors about his classmate's alleged abuse of his own sibling.
Juggling both the challenges of dealing with Shen YiChen's explosive temper and his own internal turmoil, Ji YuMing gradually learns to find a sense of inner peace.