This week's picks range from Greek tragedy through French classic to a contemporary sign language experience.

LES LIAISONS DANGEREUSES, Marlborough Theatre, Brighton, until March 23 This French classic studies seduction, sexual manipulation and deviance in high society. A predatory widow challenges her former lover to seduce a virgin girl and a young newlywed. There will be a string quartet and trays of Turkish Delight offered to the audience to create a mood of restrained decadence. Various performance times. £9 on door or call 01273 709709 £8/£6 concessions.

AGAMEMNON, Pavilion Theatre, Brighton, March 22 Acclaimed theatre group AOD presents this classic Greek tale about a victorious general's homecoming and his murder at the hands of his wife Clytemnestra. Exploring the sacrifice of the personal for the political under the pressure of war, AOD's approach to the classical text has been described as seriously sexy. Starts 8pm. Tickets £10. Call 01273 709709.

FROG IN LOVE, Komedia, Brighton, March 23 Frog feels like laughing and crying and he continuously goes hot and cold. Perhaps he is unwell or could it be he is in love? Bubbling with music, song and good cheer, this show is based on the award-winning books of acclaimed Dutch author and artist Max Velthuijs. Show starts 2pm. Tickets cost £4.50/£4. Call 01273 647100.

SIGN#1, Sallis Benney Theatre, Brighton, March 22 A unique theatrical experience by four deaf actors and two British sign language interpreters which explores the culture, heritage and world of deaf people. It will be performed entirely in sign language with live voiceovers by interpreters to make the action accessible to hearing members of the audience and there will be a discussion about deaf theatre after the show. 8pm, tickets £5/£2.50. Call 01273 643010.