Two brothers fight for their lives in two hospitals, one in 2007 and the other in 2017. Meanwhile their younger sisters, Kim and Violet, find themselves traveling a road where time is no longer constant. The four of them are hurtling toward an unknown future, or an unknown past. Determined to save the lives of both their brothers, Kim and Violet seek the help of a mysterious man who seems to hold the key to everything. Can they find the answers they need before time runs out?