Intrigue

1. Intricacy; complication.
2. A complicated plot or scheme intended to effect some purpose by secret artifice; conspiracy; stratagem.
3. A secret and illicit love affair between two persons of different sexes; an amour; a liaison.
4. To form a plot or scheme; to contrive to accomplish a purpose by secret artifice.
5. To carry on a secret and illicit love or amour.
6. The plot or romance; a complicated scheme of designs, actions, and events.
7. To fill with artifice and duplicity; to complicate; to embarrass.