Dash, a sophomore and aspiring author, navigates the social landscape of his high school with his best friend Assaf. Their friendship becomes strained as Assaf grows closer to Verti, the school newspaper editor. Tensions escalate until a catastrophic earthquake strikes, causing the high school to detach from land and begin sinking into the sea. Amidst this chaos, Dash and his friends must grapple with their personal issues while attempting to survive the disaster.

In their struggle for survival, Dash, Assaf, Verti, and other students make their way through the increasingly perilous school building seeking higher ground. They face numerous challenges, including flooded hallways, collapsing structures, and dangerous obstacles as they climb floor by floor. Along the way, they encounter fellow classmates and faculty in various states of jeopardy, forcing them to confront pressing realities about friendship, loyalty, and resilience. As they journey upwards, their shared ordeal fosters unexpected camaraderie and personal growth.