After upgrading their boat, Ivy and Celia arrive at a flooded downtown mall to scavenge supplies. They reunite quietly amid rising seawater, but tension emerges when Ivy distrusts Beck, a security guard who saved Celia. Ivy accuses Beck of exploiting the chaos to get close to Celia, causing conflict. Despite Beck's warning to leave if distrust persists, Ivy insists on searching for essentials. As they gather supplies, their fragile alliance is strained when an unknown person accuses Ivy of trying to steal, leaving the group’s safety and trust hanging in the balance.