When We Collided is a romance novel by Emery Lord about 17-year-olds Jonah Daniels and Vivi Alexander. They meet in the summer in Verona Cove, California, and form a summer romance while dealing with their respective challenges: Jonah is the responsible older brother caring for his siblings and family restaurant after his father's death, and Vivi is living with bipolar disorder and has stopped taking her medication. The story explores themes of grief, family, and mental health through dual perspectives.