Lucas Walker is a popular star football player. His girlfriend, Emma, and he love each other despite Lucas' parents' disapproval and the sudden news that Lucas has cancer and will most likely die. Being an extremely strong willed and caring person, Emma never loses hope, even when doctors say her boyfriend has only days to live. Emma sits by his bedside willing him back. One evening, Emma and Mrs. Walker, Lucas' mother, hear a mysterious crash outside. The very next day, Lucas wakes up and miraculously makes a full recovery from his cancer. However, Emma and Lucas's little brother, Eric, soon discover that Lucas isn't quite the same. Their suspicions that something more is going on intensify when federal agents show up to the Walker home asking to look around. Emma and Eric discover that something out-of-this-world is involved, and they race against the impending federal agents to save Lucas.