Hector Segovia, a European and world champion tango dancer, is chatting with Lola Guttierrez on the computer when someone comes to his door. Then they are interrupted again, but Hector won't say who it is. She gets angry and breaks contact. At that point Hector is hit from behind and is dead. Hector has a tango school. Ingmar and Patrice also teach there. Ingmar gives private lessons to Martin, who wants to surprise his wife Daniëlle for their 25th anniversary. She works behind the bar at the school, but is a good dancer. Lola was Hector's partner in dance and in relation, but she left him and moved to Spain. Hector walked after her like a lapdog and tried to get her back to Belgium. Nobody at the school liked Lola, because she always felt superior to the rest. Although Hector was straight, Ingmar was in love with him, but never came out or admitted it. He says he has no alibi for that evening. Patrice also loved him, but Hector turned her down. As revenge she went to his house a week...