This script narrates the romantic story of two lovers, Alexandra and Monique. Both geneticists, they work on the development of the first, natural black rose. One day, while they are immersed in their research, Rob, a friend of Alexandra, invites her to an important scientific conference in New York City. Immediately, the invitation causes a tense situation between the two lovers because the invite is for Alexandra only and Monique feels that she has been intentionally excluded. After a painful altercation, during which Monique accuses Alexandra of loving the black roses more than she loves her, Alexandra decides not to go. This decision reconciles the two lovers and creates an atmosphere that allows Monique to discover the elusive black rose pigment and Alexandra to ask Monique to marry her.