Determined to save her sister's life, Kristen drops everything to guide Sherri on her harrowing cancer treatment journey. When she's unable to balance the strain of caring for her patients, being a wife and mother, and her frantic efforts to save her sister, Kristen's carefully balanced life crumbles, starting with her marriage. Desperate to regain her footing, she vows to rebuild her broken relationships . . . as soon she's sure Sherri will beat the odds stacked against her.