Hazel and Gus are two teenagers who share an acerbic wit, a disdain for the conventional, and a love that sweeps them on a journey. Their relationship is all the more miraculous given that Hazel's other constant companion is an oxygen tank, Gus jokes about his prosthetic leg, and they met and fell in love at a cancer support group.
Life changes in an instant for young Mia Hall after a car accident puts her in a coma. During an out-of-body experience, she must decide whether to wake up and live a life far different than she had imagined. The choice is hers if she can go on.
After Davey's father is killed in a hold-up, she and her mother and younger brother visit relatives in New Mexico. Here Davey is befriended by a young man who helps her find the strength to carry on and conquer her fears.