Ida Mitchell, a third-year student at the Clifton Academy, is spending the holidays at her boarding-house, unable to go home because her siblings have the measles. Another Ida Mitchell, who is a second-year student at Clifton is also spending the holidays away from home. When a fruit cake intended for Ida is accidentally delivered to the other Ida, third-year Ida can't bring herself to break the truth to second-year Ida, for whom the cake has brightened an otherwise difficult time.