Three A Love Story

Committed lovers for three years, Jamie and Susan are good together. Jamie knows she wants Susan in her life forever. But what if that's not enough? Both bi, the two have continued dating men occasionally, and now Jamie's falling in love with Mason. Can she love two persons? Will her love for either one wrench the other one out of her life? Jamie's convinced a long-term three-way relationship is the answer, but none of the players are prepared for what's coming.
Two-way relationships are hard enough-is a three-way even possible? And if so, what must each of them give up to create it?