"The Sun Can't Hold a Candle" explores the relationships of the Rose family during the 1970's in the Northwest. TJ and Helen Rose are just at the moment their three daughters are reaching adulthood. During what should be a joyous, exciting time, Helen is diagnosed with cancer and uncertainty enters their lives. For each one of them it will present challenges, but especially for Campbell the eldest daughter, as she copes with her mom's diagnosis and a new marriage. All three sisters learn to cherish the values and love that their mom has always shared with them. It's a story about how they find strength and learn anew about the value of love and faith during what may be one of the hardest years of their lives.