A boathouse in the Tigre Delta of Buenos Aires was the love nest of Adriana and her lover Carlos, 30 years her senior. Carlos is now dead, but the battle for him continues between her and his wife Eve. Here in the Tigre Delta, they meet for the first time under the pretext of a debate. As unequal rivals, they both pursue a strategy to assert their interests. They buzz around each other like butterflies, wait for vulnerable moments and strike. Because only one can win the battle for true love.