寂寥冬日，艾娃一塌糊塗的渾噩日子，在看到一則社群媒體上的貼文之後，又更向下沉淪。與家人關係疏離的她，載上一塊冰磚重訪故里，憶起那個無人知曉，卻改變她一生的童年祕密。在十三歲的焦熱夏日，她與兩個男孩組成三劍客，在男孩兄弟去世的餘波中浮沉。擺爛的父母、失落的情愫、發育的身體，艾娃在渴望愛的旅程中艱難摸索。然而，一場逐漸失控的謎語冒險遊戲，將她和夥伴推向了無可挽回的悲劇深淵。

A genius-yet-introverted orphan, raised by a church priest, is sent to college where he turns out to be a social outcast. Although he is shunned by the majority of the other students, one girl shows him kindness and befriends him. Things take a turn when he falls for her, and she in turn falls for another classmate.