At 15, a girl feels constantly on edge because her sister's reckless behavior often puts her in dangerous situations. Whether it's impulsive decisions during adventures or ignoring safety rules, her sister's thrill-seeking tendencies leave her feeling frustrated and scared. After a particularly close call, she confronts her sister about the consequences of her actions, leading to a heated argument. As they both reflect on their motivations, they realize that the reckless behavior stems from a desire for excitement and connection. Through honest conversations and shared experiences, they learn to balance adventure with responsibility. Ultimately, their bond grows stronger as they discover that true fun can be found in safe, supportive ways.